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Biology · CELL CYCLE AND CELL DIVISION

हिन्दी

Consider the following statements concerning Prophase I of Meiosis: (A) Leptotene is marked by gradual visibility of chromosomes under the light microscope. (B) Synaptonemal complex dissolution occurs during diplotene, leaving X-shaped chiasmata. (C) Recombination nodules appear during zygotene where synapsis takes place. (D) Diakinesis is characterized by terminalisation of chiasmata and breakdown of nuclear envelope. Choose the correct answer from the options given below:

  1. (A), (C) and (D) only
  2. (A), (B) and (D) only
  3. (B) and (C) only
  4. (A) and (B) only

Correct answer · Option 2

(A), (B) and (D) only

Explanation

Recombination nodules appear during pachytene (not zygotene), so (C) is false; statements (A), (B), and (D) are strictly correct.
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