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Question

Chromosomes duplicate during A and increase in number of chromosomes is observed first during B. Fill the blanks correctly.

A
A – Interphase B – Prophase
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B
A – S phase B – Telophase
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C
A – Synthetic phase B – Gap2 phase
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D
A – Interphase B - Anaphase
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Solution

The correct option is D A – Interphase B - Anaphase

A – Interphase. Chromosomes duplicate in S phase of interphase
B – Anaphase. The number of chromosomes increases only when sister chromatids separates during anaphase of mitosis and anaphase II of meiosis II.


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