In agamospermy,the embryo sac is diploid beca | vedclass

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(A) In agamospermy,the process of meiosis is bypassed during the formation of the embryo sac.Specifically,in diplospory (a type of agamospermy),the me

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Megaspore mother cell

Vedclass · Answer

(A) In agamospermy,the process of meiosis is bypassed during the formation of the embryo sac.Specifically,in diplospory (a type of agamospermy),the megaspore mother cell $(MMC)$ undergoes mitosis instead of meiosis.As a result,the $MMC$ directly develops into a diploid embryo sac without the reduction of chromosome number.Therefore,the correct origin of such a diploid embryo sac is the megaspore mother cell.

In agamospermy,the embryo sac is diploid because it is formed without meiosis. Such an embryo sac may develop from:

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