In flowering plants, DNA content of the parent plant gets halved during

  1. A. Seed germination
  2. B. Fruit formation
  3. C. Flower bud formation
  4. D. Pollen formation

Correct Answer: D. Pollen formation

Explanation

Pollen formation involves meiosis (reductional division), during which the chromosome number and DNA content get halved to form haploid gametes.

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