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VladimirAG [237]
3 years ago
5

Explain why the daughter cells of meiosis are genetically different from each other but the daughter cells produced by mitosis a

re not. Why is genetic variation important for reproduction?
(PLEASE HELP) 2-3 sentences
Biology
1 answer:
Ganezh [65]3 years ago
5 0

The daughter cells produced from Meiosis are genetically different from each other due to the process of Crossing Over in the stage of Prophase I.


In Mitosis, there is no Crossing Over involved, since it is intended to help the body in growth and repair, not in reproduction.


Genetic Variation is important for reproduction so that not all offspring look exactly like each other or so that they do not look exactly like their parents.

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Answer:

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Chromosomes come in homologous pairs (one from each parent) that each contain thousands of genes, determining traits expressed in the offspring.

Explanation:

Chromosomes are the structures found in the nucleus of a cell. They are made from DNA, containing hereditary information in the form of genes that control how an organism will look and behave.  - this is true. Prior to cell division, DNA molecules are organized into large structures called chromosomes. Specific regions of a DNA molecule are called genes. These dictate specific proteins which control our traits.

Genes contain thousands of chromosomes that carry specific information about building proteins for a particular trait.  - this is false - genes are segments of DNA that control specific traits by dictating the structure and functions of proteins. Chromosomes contain thousands of genes

Chromosomes are small sections of DNA that contain specific information about a trait to build proteins that people inherit. The thousands of different chromosomes passed from the parents allow for humans to look uniquely different. - this is false - chromosomes are large structures, genes are the relatively small sections of DNA. Humans have 23 pairs of chromosomes, not thousands.

Chromosomes come in homologous pairs (one from each parent) that each contain thousands of genes, determining traits expressed in the offspring.  - this is true. In diploid organisms, like humans, have two copies of each chromosome. These chromosomes contain slightly different versions of genes, which make us unique.

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Usually the Y chromosome. It is recessive because if one Y chromosone is mutated with red-green colorblindness and the X is not, the child will have colorblindness. But, if one X chromosome has the mutation and the other X does not, they will cancel out, meaning the child will not have colorblindness.

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