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Question: Answered & Verified by Expert
An angiosperm male plant having 24 chromosomes in its pollen mother cell is crossed with a female plant bearing 24 chromosomes in its root cells. The number of chromosomes in embryo and endosperm formed from this cross will most like be
BiologySexual Reproduction in Flowering PlantsNEET
Options:
  • A 24 and 48
  • B 24 and 24
  • C 48 and 72
  • D 24 and 36
Solution:
2080 Upvotes Verified Answer
The correct answer is: 24 and 36
Pollen mother cell is diploid. Thus in the male plant 2n = 24. The male gamete will be haploid with 12. The root cell is diploid. Thus in the female plant 224. The egg will be haploid with n = 12. The endosperm is triploid 3n = 36 while the embryo will be 2n = 24.

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