Answer:
B
Explanation:
Crossing over is the process involved during meiosis of two chromosomes sharing genetic information with each other from each parent. This happens so the two daughter cells or sister chromatids have a variety of genetic information and so they are not completely identical. This leads to genetic diversity or variation.
The father of a child with just one x chromosome has a nondisjunction event that results in a child with Turner syndrome who is colorblind.
A human chromosome is what?
Long DNA sequences are carried by chromosomes, structures that are found in the cell nucleus. The substance that contains genes is called DNA. It serves as the foundation for the human. Additionally, the proper DNA structure is aided by the proteins contained in chromosomes.
What do the chromosomes of the gender do?
When you are born, your X and Y chromosomal determine whether you are a boy or a girl. Gender chromosomes, as they are known, are actually called X and Y chromosomes in females. Men possess simply a X and a Y.
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Answer:
nitrogen fixation is the answer
Because men have an x and a y and women have 2 x's, but sometimes a man can only have a y and a women can only have an x so it messed up
