The correct is option (C) 8.
A typical angiosperm embryo sac is 7 cells in number at maturity despite having 8 nuclei. The female gametophyte has a 7-celled structure at fertilization, consisting of 3 antipodal cells, 2 synergids, 1 egg cell, and 1 central cell. However, the central cell is 8-nucleate because it has two polar nuclei. The gametophyte is therefore 7-celled and 8-nucleated when it reaches maturity.
In angiosperms, female gametophyte production is necessary for the development of both sexual and asexual seeds. In sexually reproducing angiosperms, pollen travels from the anther to the stigma of the carpel, where it begins to form seeds. The two sperm cells from the male gametophyte are then transferred to the female gametophyte via a pollen tube that the male gametophyte develops through the interior tissues of the carpel and into the ovule.
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