Plant Diversity · Botany

Which of the following represents the correct sequence of generations in the life cycle of a Phanerogam?

  1. Gametophyte (n) -> Sporophyte (2n)
  2. Sporophyte (2n) -> Gametophyte (n)
  3. Haplontic life cycle
  4. Diplontic life cycle with dominant gametophyte
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Correct answer: Sporophyte (2n) -> Gametophyte (n)

Phanerogams exhibit a diplontic life cycle where the sporophyte (2n) is the dominant, independent phase. The gametophyte (n) is highly reduced and dependent on the sporophyte for nutrition.

Difficulty: Medium Question 12 of 20

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