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Question
The normal type of embryo sac is 8-nucleated and ............
The normal type of embryo sac is 8-nucleated and ............
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Solution
The correct option is B 7 celled
Megagametophyte develops from the megaspore through three rounds of mitotic divisions. The cell closest to the micropyle opening of the integuments differentiates into the egg cell, with two synergids cells by its side that are involved in the production of signals that guide the pollen tube. Three antipodal cells form on the opposite end of the ovule and later degenerate. The large central cell of the embryo sac contains two polar nuclei. Thus, it is an 8 nulceated, 7 celled embryo sac.
Megagametophyte develops from the megaspore through three rounds of mitotic divisions. The cell closest to the micropyle opening of the integuments differentiates into the egg cell, with two synergids cells by its side that are involved in the production of signals that guide the pollen tube. Three antipodal cells form on the opposite end of the ovule and later degenerate. The large central cell of the embryo sac contains two polar nuclei. Thus, it is an 8 nulceated, 7 celled embryo sac.
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