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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

  1. AA-2; B-1; C-3; D-4
  2. BA-1; B-4; C-3; D-2
  3. CA-1; B-2; C-4; D-3
  4. 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.

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