NEETBotanyCell Cycle and Cell Division
Cell Cycle Phases Chromosomal Events A. G1 phase 1. Chromosomes are decondensed and transcriptionally active B. S phase 2. Chromosomes align, segregate, and decondense C. G2 phase 3. Chromosomes condense in preparation for mitosis D. M phase 4. DNA is replicated, forming sister chromatids
Options
- AA-2; B-1; C-3; D-4
- BA-1; B-4; C-3; D-2
- CA-1; B-2; C-4; D-3
- DA-1; B-3; C-2; D-4
Correct answer
B. A-1; B-4; C-3; D-2
Step-by-step solution
G1 phase: Chromosomes are decondensed and transcriptionally active. S phase: DNA is replicated, forming sister chromatids. G2 phase: Chromosomes condense in preparation for mitosis. M phase: Chromosomes align, segregate, and eventually decondense.