The fruit fly has 8 chromosomes (\( 2n \)) in each cell. During interphase of Mitosis if the number of chromosomes at \( G_1 \) phase is 8, what would be the number of chromosomes after S phase?

A
32
B
8
C
16
D
4

View Answer & Solution

Correct answer · Option B

8

Explanation

During the S phase of the cell cycle, DNA replication takes place (amount of DNA doubles from 2C to 4C), but the chromosome number remains unchanged because centromeres do not divide. Thus, chromosome number stays 8.

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The fruit fly has 8 chromosomes (\( 2n \)) in each cell. During interphase of Mitosis if the number of chromosomes at \( G_1 \) phase is 8, what would be the number of chromosomes after S phase?

Correct answer · Option B

Explanation

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The fruit fly has 8 chromosomes (\( 2n \)) in each cell. During interphase of Mitosis if the number of chromosomes at \( G_1 \) phase is 8, what would be the number of chromosomes after S phase?

Correct answer · Option B

Explanation

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