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  • In flower if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac its nuclei would be

In flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be:

a. Haploid
b. Diploid
c. A few haploid and a few diploid
d. With varying ploidy.

Answers (1)

The answer is the option (b) Diploid

If meiosis does not occur in the Megaspore Mother Cell (MMC), the resulting megaspores will be diploid. Consequently, if one of these diploid megaspores develops into the embryo sac, all its nuclei will be diploid, except for the polar cell, which will become tetraploid. Since no meiosis takes place, so no change in ploidy will take place.

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