There is a characteristic distribution of the cells within the embryo sac. At maturity, embryosac contains -(i) three cells that are grouped together at the micropylar end and constitute the egg apparatus. Among these 3- one is egg cell & two are synergids. (ii) Three cells are at the chalazal end and are called the antipodal cells & (iii)The large central cell, having two polar nuclei. Thus, a typical angiosperm embryo sac, at maturity is 8-nucleate is 7-celled.
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There is a characteristic distribution of the cells within the embryo sac. At maturity, embryosac contains -(i) three cells that are grouped together at the micropylar end and constitute the egg apparatus. Among these 3- one is egg cell & two are synergids. (ii) Three cells are at the chalazal end and are called the antipodal cells & (iii)The large central cell, having two polar nuclei. Thus, a typical angiosperm embryo sac, at maturity is 8-nucleate is 7-celled.
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