Question

How many cells comprise the mature embryo sac (female gametophyte)?

Options

• 9 cells

• 8 cells

• 7 cells

• 6 cells

Answer 1

The mature embryo sac is an 8-nucleate, 7-celled structure. It contains one egg cell, two synergids, three antipodal cells, and one central cell with two polar nuclei. The central cell is formed by the union of the two polar nuclei, resulting in 7 distinct cells.