KVPY SX SB Exam 2016 Question Paper

Question : 114 of 120

Marks: +1, -0

Which of the following best describes the DNA content and the number of chromosomes at the end of S and M phases of the cell cycle in mitosis, if the DNA content of the cell in the beginning of cell cycle (G1 phase) is considered as C and the number of chromosomes 2N ?

2C and 2N for S phase ; 2C and 2N for M phase
2C and N for S phase ; 2C and N for M phase
2C and 2N for S phase ; C and 2N for M phase
C and N for S phase ; C and 2N for M phase

Validate

Solution:

\table ,G_1,→,S,→,G_2,→,M;\text"DNA Content", C,,2C,,2C,,2C,→C; \text" No. of Chromosome" ,2N,,2N,,2N,,2N,→4N→2N

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