Question

How many chromosomes will the cell have at G1, after S-phase and after M-phase of mitosis respectively, if it has 12 chromosome at interphase

Answer 1

Explanation:

Answer:At G1 phase, there will be 14 chromosomes as no DNA replication has taken place.

After S Phase, the DNA content doubles but chromosome number still remains same here 14.

After completion of M phase, the number of chromosomes will be 28 with each daughter cell having same number of chromosomes as that of parent i.e 14.

at G1- 14 chromosomes

after S phase- 28 chromosomes

after M phase - both daughter cells will again have 14 chromosomes each.

Answer 2

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At G1 phase, there will be 14 chromosomes as no DNA replication has taken place.

After S Phase, the DNA content doubles but chromosome number still remains same here 14.

After completion of M phase, the number of chromosomes will be 28 with each daughter cell having same number of chromosomes as that of parent i.e 14.

at G1- 14 chromosomes

after S phase- 28 chromosomes

after M phase - both daughter cells will again have 14 chromosomes each.

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