how many haploid cells are present in a mature embryo sac

In a typical flowering plant, a mature embryo sac contains 6 haploid cells : 3 antipodal cells, 2 synergids, and 1 egg cell.

Quick Scoop

• Total cells in a mature embryo sac: 7 (1 egg, 2 synergids, 3 antipodals, 1 central cell).

• Haploid cells:
  • 1 egg cell
  • 2 synergids
  • 3 antipodal cells
  • So, 1 + 2 + 3 = 6 haploid cells.

• The remaining cell is the central cell, which is not haploid; it has two polar nuclei that together behave as diploid before fertilization.

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