First slide

Cell Cycle

Question

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has:

Easy

A

Twice the number of chromosomes and twice the amount of DNA
B

Same number of chromosomes but twice the amount of DNA
C

Twice the number of chromosomes and four times the amount of DNA
D

Four times the number of chromosomes and twice the amount of DNA

Solution

Gamete has ‘n’ number of chromosomes and ‘1C’ amount of DNA. Where as the somatic cell at the end of S phase of cell cycle has 4C amount of DNA and 2n number of chromosomes.

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