Name all the haploid cells present in an unfertilised mature embryo sac of a flowering plant. Write the total number of cells in it

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1. Overview of Haploid Cells in Unfertilized Mature Embryo Sac

• The mature embryo sac, also known as the female gametophyte, is a crucial structure in the reproductive process of flowering plants.

2. Identification of Haploid Cells

• Egg Cell (Ovum):

  • Location: Typically located at the bottom of the embryo sac.
  • Haploid Number: 1
  • Function: The egg cell serves as the female gamete and is essential for fertilization.

• Synergids:

  • Location: Positioned on either side of the egg cell.
  • Haploid Number: 2
  • Function: Synergids play a role in guiding the pollen tube to the egg cell during fertilization.

• Antipodal Cells:

  • Location: Found at the opposite end of the embryo sac from the egg cell.
  • Haploid Number: 3
  • Function: The function of antipodal cells is not entirely clear, but they are believed to play a role in nutrient absorption.

• Central Cell:

  • Location: Positioned in the center of the embryo sac.
  • Haploid Number: 1
  • Function: The central cell contains two haploid nuclei and is crucial for double fertilization, contributing to the formation of endosperm.

3. Total Number of Haploid Cells in Unfertilized Mature Embryo Sac

• The total number of haploid cells in an unfertilized mature embryo sac is 7.

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