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Question
Which of the following shows triploid nature in flowering plants?
Which of the following shows triploid nature in flowering plants?
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Solution
The correct option is D Endosperm
Fertilisation in angiosperms involves two important events - synagamy and triple fusion. In syngamy, the egg (n) and the sperm (n) fuse in the embryo sac to form a diploid zygote which develops into an embryo and in triple fusion, another sperm (n) released in the embryo sac fuses with central nucleus (2n) to form triploid primary endosperm nucleus which develops into an endosperm. Microspore and megaspore are the haploid spores which further develop or become gametophytes in flowering plants.
Fertilisation in angiosperms involves two important events - synagamy and triple fusion. In syngamy, the egg (n) and the sperm (n) fuse in the embryo sac to form a diploid zygote which develops into an embryo and in triple fusion, another sperm (n) released in the embryo sac fuses with central nucleus (2n) to form triploid primary endosperm nucleus which develops into an endosperm. Microspore and megaspore are the haploid spores which further develop or become gametophytes in flowering plants.
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