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Biology · PYQ NEET UG 2021
हिन्दीThe 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 2
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.
