The formation of the embryo sac formation is preceded by the meiosis of what?
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megaspore mother cell(diploid2n) - 1st meiotic division - megaspore dyad -2nd meiotic division - megaspore tetrad(3 cells degenerate one remains and transforms into functional megaspore (haploid,n) - 1st mitotic division - 2 nucleated stage - 2 nd mitotic division - 4 nucleated stage - 3 rd mitotic division - 8 nucleated stage - rearrangement of nuclei - embryo sac.
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