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Question

If a cell with 5 chromosome pairs undergoes mitosis, then what be the total number of chromosomes in its anaphase stage?

A
5
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B
10
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C
15
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D
20
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Solution

The correct option is D 20
  • 5 chromosome pairs mean 10 chromosomes.
  • Each chromosome consists of two chromatids.
  • In anaphase, the chromosomes get split into individual chromatids which act as individual chromosomes.
  • So, in anaphase, a cell will have 20 chromosomes.
So, the correct option is '20'.

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