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Question: Answered & Verified by Expert
If an angiospermic male plant is a diploid and female plant tetraploid, the ploidy level of endosperm will be
BiologySexual Reproduction in Flowering PlantsNEET
Options:
  • A Haploid
  • B Triploid
  • C Tetraploid
  • D Pentaploid
Solution:
2401 Upvotes Verified Answer
The correct answer is: Pentaploid
The male gamete will be haploid (n). Two polar nuclei will be diploid (2n). Endosperm formed by the fusion of male gamete with two polar nuclei will be pentaploid.

Male gamete n + 2 Polar nuclei 2 n + 2 n ⟶ Endosperm 5 n

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