For a somatic cell with 2n = 4. Which of the following is true?
(Note:- G₁- growth phase 1, G₂- growth phase 2, M- Metaphase, P - Prophase and T - Telophase)

Question

For a somatic cell with 2n = 4. Which of the following is true? (Note:- G 1 - growth phase 1, G 2 - growth phase 2, M- Metaphase, P - Prophase and T - Telophase)

TestHub · Accepted Answer

Somatic cells undergo mitotic cell division so, there is no reduction division and chromosome number remain the same. At the beginning of mitosis, there are 4 chromosomes, and each chromosome replicates during S phase and form sister chromatids. So the number of chromosomes is 4, and chromatids are 4 x 2 = 8. Hence, during G₁phase
Chromatids number - 4
Chromosomes number- 4
During S phase
Chromatids number - 8
Chromosome number – 4
During the G₂phase
Chromatids number - 8
Chromosomes number - 4

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