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Q.
How many mitotic division takes place for complete development of female gametophyte in an angiosperm?
NTA AbhyasNTA Abhyas 2020Sexual Reproduction in Flowering Plants
Solution:
Embryo sac develops from functional megaspore mother cell, which is generally chalazal megaspore and remaining three degenerates. The functional megaspore undergoes three mitotic division two form seven celled and eight nucleate embryo sac.