During female gametophyte or embryosac formation from megaspore, which type of divisions occur?
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a
Meiosis
b
Amitosis
c
Endomitosis
d
Free nuclear divisions
answer is D.
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Detailed Solution
In typical 7celled 8-nucleated embryo sac, nuclei of egg apparatus and antipodals have their own cell wall but the polar nuclei are covered by megaspore wall and do not have their own wall formed after free nuclear mitotic divisions.