Number of DNA molecules in a metaphase chromosome is

Many

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Three

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One

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Two

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Solution

The correct option is D Two
DNA is replicated during the S phase of a cell cycle. So, during the metaphase stage, each chromosome (i.e., each chromatid pair) will contain two molecules of double-stranded DNA (one molecule per sister chromatid) in mitosis.
So, the correct option is 'two'.

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Question 28

A cell has 32 chromosomes. It undergoes mitotic division. What will be the chromosome number (n) during metaphase? What would be the DNA content (C) during anaphase?

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Number of DNA molecules in a metaphase chromosome is

The correct option is D TwoDNA is replicated during the S phase of a cell cycle. So, during the metaphase stage, each chromosome (i.e., each chromatid pair) will contain two molecules of double-stranded DNA (one molecule per sister chromatid) in mitosis. So, the correct option is 'two'.

The correct option is D Two
DNA is replicated during the S phase of a cell cycle. So, during the metaphase stage, each chromosome (i.e., each chromatid pair) will contain two molecules of double-stranded DNA (one molecule per sister chromatid) in mitosis.
So, the correct option is 'two'.