Cell Cycle And Cell Division Question 79

Question: A zoologist examined an intestine cell from a crayfish and counted 200 chromosomes, each consisting of 2 chromatids, at prophase I of mitosis. What would he expect to see in each of the four cells at telophase II of meiosis if he looked in the crayfish ovary?

Options:

A) 50 chromosomes, each consisting of 2 chromatids

B) 50 chromosomes, each consisting of 1 chromatid

C) 100 chromosomes, each consisting of 2 chromatids

D) 100 chromosomes, each consisting of 1 chromatid

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Answer:

Correct Answer: D

Solution:

[d] Meiosis reduces the chromosome count from diploid to haploid and halves the amount of genetic material.