Identify the correct statement:
(a) First gap phase in cell cycle is interval between mitotic phase and DNA replication phase
(b) The two chromatids of a metaphase chromosome represent non homologous chromosomes joined at the centromere
(c) A cell at $G_{1}$ phase has 10 chromosomes. The number of chromosomes present at $G_{2}$ phase is also 10.

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a and b

b and c

a and c

a, b and c

answer is C.

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Detailed Solution

First gap phase in cell cycle is interval between mitotic phase and DNA replication phase.
A cell at $G_{1}$ phase has 10 chromosomes. The number of chromosomes present at $G_{2}$ phase is also 10. This is because at S phase the amount of DNA doubles but the number of chromosomes remain the same.

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