Mendel's five-part hypothesis, sometimes referred to as Mendel's principles of inheritance is a scientific explanation for how traits in living things are handed down from one generation to the next. It is mostly based on Mendel's observations and research on pea plants.
The dominance principle: Mendel noticed that although certain qualities (now known as recessive) were not expressed in the offspring, others (now known as dominant) were.
Mendel discovered that distinct features' determining factors now known as genes—separate during the development of reproductive cells (gametes) and reunite during fertilization. This is known as the concept of segregation.
Mendel discovered that the inheritance of one feature has no bearing on the inheritance of another, which is known as the independent assortment principle. Mendel discovered that when breeding true-breeding (homozygous) individuals, certain qualities remain constant while others change, and when breeding hybrid (heterozygous) people, other traits do not.
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What is the end result when one human cell 46 DNA molecules divides by mitosis?
when one human cell 46 DNA molecules divides by mitosis, the cell then splits in two by a process called cytokinesis, creating two clones of the original cell, each with 46 monovalent chromosomes.
What is Mitosis?
Mitosis is a type of cell division in which a cell (mother cell) divides to produce two new cells of her (daughter cells) that are genetically identical to itself. In the context of the cell cycle, mitosis is the part of the mitotic process in which the DNA in the cell's nucleus is divided into her two equal sets of chromosomes.
The purpose of mitosis is to form more diploid cells. It works by copying each chromosome and spreading the copies out on different sides of the cell.
Mitosis is required for growth, repair, and asexual reproduction. It plays an important role in the development of organisms. In unicellular organisms, mitosis is thought to be the process of asexual reproduction.
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Raul has scraped his knee and noticed that after a week it had almost completely healed. Raul wondered how the skin was able to repair itself while looking exactly the same as his non-injured skin. In 3-5 sentences explain how mitosis plays a role in healing skin after injury and is able to maintain the look of the existing, non-injured skin.
Cells are created via cell department. And mitosis is an vital a part of this process. Mitosis creates equal copies of cells.
For example, it creates new pores and skin cells to update lifeless pores and skin cells. Interphase has 3 stages: G1, S and G2. During the G1 stage, the cell prepares for department via way of means of growing its mass. During the S stage, the cell synthesizes greater DNA. And at some point of the G2 stage, the cell synthesizes proteins because it keeps to grow. Before it is able to divide, a cell additionally wishes to have its lengthy uncoiled strands of DNA condensed into chromosomes. Otherwise, cell department might be like looking to break up a plate of spaghetti in half. Chromosomes are manufactured from bundles of DNA and protein. This makes them a lot simpler to transport around.
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Needs help ASAP
Which of the following is an example of genetic engineering?
A. A string of three bases within an RNA molecule codes for a specific amino acid
B. A string of amino acids bonds together to form a protein that controls a trait
C. A bacterial cell produces human insulin because human DNA has been added to the bacterial DNA
D. And the nucleus of a human cell DNA strands separate and are used as a template for new RNA molecules
A bacterial cell produces human insulin because human DNA has been added to the bacterial DNA is an example of genetic engineering.
What do you mean by genetic engineering?Genetic engineering, also called genetic modification or genetic manipulation, is the modification and manipulation of an organism's genes using technology.
For example, genetic engineering may involve adding a gene from one species to an organism from a different species to produce a desired trait. Used in research and industry, genetic engineering has been applied to the production of cancer therapies.
Genetic engineering is accomplished in three basic steps. These are (1) The isolation of DNA fragments from a donor organism; (2) The insertion of an isolated donor DNA fragment into a vector genome and (3) The growth of a recombinant vector in an appropriate host.
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The picture below shows four locations on the map of Australia.
Which of these locations is most likely to experience moderate climate throughout the year? FLVS
Location A
Location B
Location C
Location D
I choose answer b on this map
What is a point DNA mutation?
A genetic mutation brought on by the replacement of one nucleotide with another nucleotide is called a point DNA mutation.
A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations. Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.
Point mutations involve the substitution, deletion, or insertion of a single nitrogenous nucleotide into a single base pair of DNA. The sickle cell anemia condition is a case of a point mutation. The beta-globin chain of the blood's hemoglobin pigment is affected by a single base pair mutation.
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What five characteristics of a rock would make it a mineral?
Hardness.
Luster.
Color.
Streak.
Specific Gravity.
Which of the following is a feature of the "tube-within-a-tube" body plan in most animal phyla?A) The outer tube consists of a hard exoskeleton.B) The outer tube consists of digestive organs.C) The mouth and anus form the ends of the inner tube.D) The two "tubes" are separated by tissue that comes from embryonic endoderm.
Answer: C-the mouth and anus form the ends of the inner tube.
Explanation:
Plant selection is important for a rain garden. Which of the following best describes the types of plants that would be most effective to use in the rain garden in this experimental design to reduce the impact of urban runoff
Plants that are native to the local area and are well-suited to the soil and climate would be most effective to use in a rain garden to reduce the impact of urban runoff.
These plants have deep root systems that help to absorb and filter water, reducing the amount of runoff that enters local waterways. They also help to reduce erosion and improve water quality. Additionally, plants that are drought-tolerant and able to withstand periods of standing water would be beneficial, as rain gardens can hold water for extended periods. It is important to note that the choice of plants will depend on the local conditions and the experimental design of the rain garden, for example, the pH of the soil, the amount of sun exposure, and the size and location of the rain garden. An expert in the field of horticulture or hydrology would be best suited to make recommendations for plants that would be most effective in a given location.
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Controlled variable to the science experiment, “are fingerprints inherited?”
The controlled variable to the science experiment 'are fingerprints inherited' may include the use of molecular markers of known molecular size.
What is a controlled variable in a science experiment?A controlled variable in a science experiment is any condition that remains constant along the experiment and thus serves to make comparisons with the target experimental groups such as in this case the use of samples of individuals containing molecular markers of known molecular size, which allow us to identify the alleles of polymorphism in the sample after electrophoresis agarose gel and visualization under UV light.
Therefore, with this data, we can see that a controlled variable in a science experiment is any condition that stays the same in the experiment, and therefore it can be used to determine the presence or absence of a given allele in a DNA fingerprint.
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Please help me with this!!
Genetic makeup is the combination of genes that make up an individual's unique genetic code.
1.The physical appearance of an individual's genetic makeup phenotype.
2. A particular characteristic of an individual trait.
3. The passage of genetic instructions from one generation to the next generation genotype.
4. One variation of a particular gene allele.
5. The specific genetic makeup of an individual chromosomes.
6. Contain the genes of an individual heritability.
What are Chromosomes?
Chromosomes are thread-like structures composed of DNA and proteins that carry genetic information. In most living organisms, each cell contains a pair of chromosomes, one inherited from each parent. Humans have 23 pairs of chromosomes in each cell, for a total of 46. Chromosomes are responsible for determining an organism's traits, from eye color to blood type.
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A field of many different wildflowers would ve considered a(n)
1. Community
2. Population
3. Ecosystem
4. Niche
A field of many different wildflowers considered as a community.
In the field of biology, the term "community" refers to a group of different species that live in close proximity to one another and interact with one another. Since a field of varied wildflowers is home to more than one species that coexist in the same region, we may refer to it as a community.
A population is defined as all of the creatures of the same species that are found in the same location at the same time; whereas an ecosystem is defined as all of the living and non-living components that make up an area; on the other side, the function that an organism fulfills within its community is referred to as its "niche."
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Carbon is considered a building block of life and is very useful as a chemical because it is able to make very complicated compounds. This is because it is able to bond with up to __ other molecules.
a. one
b. two
c. three
d. four
Answer:
d. four
Explanation:
Carbon can form maximum of four bonds to other atoms due to its electronic configuration and valence electron counts).
All of the following are common to both the Gram stain and the acid-fast stain EXCEPT A) primary stain. B) counterstain. C) a decolorizing agent. D) a chemical mordant. E) a decolorizing agent and a counterstain.
D) A chemical mordant, the Gram stain, and the acid-fast stain. Iodine is the reagent that is used as a mordant during gram staining.
What is the acid-fast staining mordant?HEAT is used as a mordant in the Acid-Fast stain to help Carbol Fuschin bind to peptidoglycan more strongly. THE DECOLORIZATION STEP is step number four. Acid alcohol is used to "decolorize" the cells in the Acid-Fast stain.
What chemical acts as a mordant in the Gram stain?Iodine from Grams The mordant is from Grams. This forms a substantial complex that binds to crystal violet and clings to the cell membrane. After 30 seconds of Gram's iodine sitting, 95% ethanol decolorizer is added.
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What types of light are reflected by plant leaves?
Plant leaves reflect visible light, and the specific colors of light that are reflected depend on the pigments present in the leaf. Chlorophyll, the pigment primarily responsible for the green color of leaves.
Reflects green light, while absorbing other colors of the visible spectrum such as blue and red. Carotenoids, which are pigments that give leaves their yellow and orange colors, reflect yellow and orange light. And finally, anthocyanins which are pigments that give leaves their red color, reflects red light. Additionally to these pigments, other substances on the leaf surface can also affect the light reflection. It's worth noting that while leaves reflect visible light, they also reflect other type of light such as near-infrared and ultraviolet, but these are not visible to the human eye, however they are important for the plant growth and health.
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How do you introduce energy conservation?
Energy cannot be created or destroyed; it can only be changed from one form to another, according to the rule of conservation of energy.
An isolated system's total energy is constant over time in accordance with the rule of conservation of energy. The law of energy conservation applies to all kinds of energy.
Most importantly, energy conservation can be accomplished by either using less energy or by using fewer services. First of all, conserving energy is crucial for preserving non-renewable energy sources. Additionally, the regeneration process for non-renewable energy sources takes centuries.
In the planning and construction of buildings, energy conservation is crucial. Since the 1970s, its prominence has grown. Concern about the implications of climate change has recently energy conservation is crucial, as concern over climate change and global warming has highlighted.
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Why are most point mutations harmless?
Most point mutations are harmless because the majority of the genetic code is non-coding, meaning that it does not contain instructions for making proteins.
Point mutations that occur in non-coding regions of the DNA will not affect the function of the proteins that are produced, and therefore, will not cause any harm.
Additionally, point mutations that occur in coding regions can sometimes result in a change in the amino acid sequence of a protein, but the change may not be significant enough to alter the protein's function. For example, a point mutation that changes one amino acid in a protein's sequence may not disrupt the protein's structure or function. This is known as a silent mutation.
Furthermore, some point mutations can even be beneficial by providing a selective advantage. For example, a point mutation that changes a codon for an amino acid to one that codes for a different amino acid but still allows the protein to function properly.
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What are two variations of fur color in cats?
There are two basic colors of cats, black and red. These are called “dominant” colors. The color of all cats relates to these two colors in some way, by changing the color or covering it up. There is also a “dilute” of each color.
Generally, the colours, which can be termed differently depending on the breed, are: white, red, blue, black, cream, cinnamon, fawn and brown. The colour of a cat depends completely on genetics. The two primary colours in cats are black and red. There are six varieties of cat fur patterns. These are Tabby, Solid, Bicolor, Tricolor, Tortoiseshell, and Colorpoint.
A cat displaying a dominant color (black, red, tortie, etc.) must have a parent which displays a dominant color. Two recessive color parents (cream, blue, etc.) cannot produce an offspring of a dominant color (black, red, etc.).
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What is the genetic basis behind the appearance and gender of calico cats?
The gene for "orange or black coat" is on the X chromosome, so if "orange" and "black" are active in different cells, female cats can have both colors of calico cat's coat. Yes, because male cats only have one X. The chromosome is her only one of these colors.
The calico, or more specifically tortoiseshell, pattern of cats is observed in female (or rarely male XXY) cats with different alleles at the coat color locus on the X chromosome. One of the X chromosomes carries alleles for black fur pigment and the other for orange fur pigment. Random inactivation of one of the X chromosomes causes orange and black spots on the cat's coat. Males with a single X chromosome have either orange or black fur, depending on which allele they possess. Calico cats have large white spots along with orange or black spots on their fur due to an autosomal gene that causes white spots.
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Which of the following is not detected by chemoreceptors in the carotid and aortic bodies? Multiple Choice a. Oxygen b. Blood pressure c.pH d.Carbon dioxide e.Oxygen and carbon dioxide
A sea otter is considered very important in
maintaining his ecosystem and food web.
Changes with him will affect the ecosystem
dramatically. A species such as this is called
a(n).
A. keystone species
B. VIP
C. ecosystem king
Buffalo grass is a species of plant found on the grazing prairie of Wyoming. It is a tough grass that has silicates (compounds containing oxygen and silicon) that reinforce its leaves. This variation has allowed this type of grass to survive for many years in an adverse environment. This is an example of which mechanism of evolution? O Mutation O Natural Selection O Gene Flow Genetic Drift
As the variation of tough grass that has silicates (compounds containing oxygen and silicon) that reinforce its leaves has allowed this type of grass to survive for many years in an adverse environment, this is an example of b. natural selection.
This particular type of grass has adapted over time to survive in an adverse environment, due to its silicates (compounds containing oxygen and silicon) reinforcing its leaves. This is an example of natural selection, showing how the grass has been able to survive for many years despite the difficult conditions.
The variety of grass characterized by silicates (oxygen and silicon compounds) in its leaves has enabled it to survive in difficult environments over the years. This is a prime example of natural selection at work.
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How the respiratory system and circulatory system work together to supply the body with oxygen and to remove waste from the body?
Together, the circulatory and respiratory systems assist eliminate waste carbon dioxide from the tissues and deliver oxygen to the tissue.
The respiratory system is the one that helps to inhale oxygen and exhale carbon dioxide. And the circulatory system is the system that helps to supply oxygen from the lungs to tissues and helps to remove carbon dioxide from the tissue via the lungs. Both these process helps to supply oxygen in this way and helps to remove carbon dioxide as a waste.
First, the oxygen inhaled will be transported to the lungs and this oxygen will be exchanged with the blood that brings the waste (CO₂) from the tissue via the heart. Then, the oxygen will be transported to the heart from where the oxygenated blood will be supplied to the tissues. And the waste from the tissue will be carried via deoxygenated blood.
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What are the light reactions of plants and in what organelle do they occur?
The light reactions of plants are a series of photochemical reactions that occur in the chloroplasts of plant cells. These reactions convert light energy into chemical energy in the form of ATP and NADPH.
The light reactions are divided into two stages: the light-dependent reactions and the light-independent reactions. The light-dependent reactions take place in the thylakoid membrane and involve the chloroplasts absorption of light energy by pigments, the transfer of electrons through a series of electron carriers, and the production of ATP and NADPH. The independent light reactions, also known as the Calvin cycle, take place in the stroma of chloroplasts and use the ATP and NADPH produced in the light-dependent reactions to fix carbon dioxide and create glucose and other sugars.
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Suppose you want to produce a plant cultivar that has red flowers and speckled leaves. You have 2 cultivars, each having 1 of the desired traits. How would you proceed?
In desired traits, by breeding these two types of plants we will get a hybrid plant with the desired traits: red flowers and speckled leaves.
What do you mean by traits?A trait is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both. Traits can be qualitative or quantitative.
Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents. Each cell in the human body contains about 25,000 to 35,000 genes.
Biological traits describe species' physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.
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Which living thing is a typical marsh inhabitant? O A. Sea star O B. Octopus O C. Alligator O D. Peat
Option C is Correct. Alligator marsh is a kind of wetland where herbaceous plants thrive.
These can be discovered close to the shores of lakes or any other body of water. A marsh is a zone where the aquatic and terrestrial ecosystems meet. Rushes, reeds, and grasses are the predominant flora in wetlands.
Alligators are a type of amphibian that is related to crocodiles. These inhabit freshwater and brackish environments. These amphibians complete their life cycle in environments on land and in water. They favor environments like marshes, lakes, swamps, ponds, and rivers as their home. Alligators may survive in the marsh ecosystem thanks to the muddy terrestrial habitat and freshwater.
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A young goat has downward-curved horns. Its father has upward-curved horns while its mother has downward-curved horns. Which of these statements is the explanation?
A young goat has downward-curved horns. One copy of the gene for horn shape was passed down to the young goat from its father and one copy from its mother is the explanation.
A ratio of dominant to recessive traits is the result of the gene combination from the parents, as stated by Mendel's second law of inheritance, which states that a pair of traits segregate independently of another pair during gamete formation. In phenotype sharing, the offspring will only exhibit the dominant trait when parents with required traits are crossed together. This suggests that the dominant mother and not the dominant father passed on the horn-shaped gene to the young goat.
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symbiosis and species interactions keystone webquest answer key
These exchanges are frequently brief. However, there are many instances where two species coexist peacefully for extended periods of time.
What is keystone species?The most numerous species in a community are known as dominant species, and they have a significant impact on the abundance and distribution of other species.
Keystone species, on the other hand, have an impact on communities that greatly outweigh their abundance.
These discussions are typically can be done in many way. Two species can, however, frequently cohabit happily for long periods of time.
Such relationships are known as symbioses ("living together"). Symbiotic relationships can be classified as parasitic, commensal, or mutualistic.
Thus, this can be symbiosis and species interactions.
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1. What are alleles?
genes that always hide their traits, which are never exhibited
pieces of genes that are observable to the human eye
gene pieces found at certain sites on a chromosome
genes that always show their traits, which are never hidden
Answer:
c
Explanation:
a and d are definetly not ir
Due to a mutation, an autosomal cell in a multicellular organism does not receive the normal signal to stop dividing. What effect will this most likely have on the organism?
A.
It will experience tumor growth.
B.
It will be unable to reproduce.
C.
It will age at an increased rate.
D.
Its cells will become inactive.
Insects often get stuck in the sap of ancient trees. The sap along with the insect inside harden forming a fossil. What kind of fossil is this
You are correct in your assumption. The kind of fossil that has been described in the question is Crystallization. It is also called crystallized fossil. The correct option is B ,
The solidification of a liquid material into a highly structured solid whose atoms or molecules are arranged in a well-defined three-dimensional crystal lattice is known as crystallization. A unit cell is the smallest individual portion of a crystal. Millions of similar unit cells make up the crystal.
Crystallization is the process of separating solid substances in the form of crystals from a solution. This procedure is most commonly used to separate a pure solid from a solution. It is a bodily transformation.
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Full Question ;
Insects often get stuck in the sap of ancient trees. The sap along with the insect inside harden forming a fossil. What kind of fossil is this?
A Cast
B Crystallization------What I think it is.
C Mold
D Trace