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In which phase of the cell cycle does centriole duplication take place?

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in Biology – Class 11 by (272k points)
In which phase of the cell cycle does centriole duplication take place?

(a) S phase

(b) G2 phase

(c) G1 phase

(d) G0 phase

The question was asked by my school principal while I was bunking the class.

I need to ask this question from Cell Cycle topic in portion Cell Cycle and Cell Division of Biology – Class 11

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The correct choice is (a) S phase

For explanation: Centriole duplication as well as DNA duplication or synthesis takes place in the S phase or the synthesis phase of the cell cycle. DNA duplication does not take place in the gap phases G1, G2 and G0.

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