Biology Practicals Class 12

Female Gametophyte Development of a Flower

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About Simulation

  • In this simulation, you will learn to identify various stages of female gametophyte development. 
  • You will learn about each stage involved in the development of female gametophytes, from megaspore with two nuclei to mature embryo sac. 
  • In this biology practical, you will learn various stages of gametophyte development of female gametophytes in a flower's ovary. 
  • This interaction creates a very realistic environment and gives you a real-life experience.
  • Every step of this botany practical and other science experiment in SimuLab, including setting up the experimental setup, dissecting the specimen, demonstrating the models, making permanent slides, and many more, is very interactive and has been simulated in a way that is very similar to what you would do in a real lab.

Female Gametophyte development of a flower.

Simulation Details

Duration – 30 Minutes
Easily Accessible
Language – English
Platforms – Android & Windows


The female gametophyte (embryo sac) is a small structure found deep inside the ovule of flowering plants. In most flowering plants, the nucellus portion of the ovule contains a single megaspore mother cell, which goes through meiosis to produce four haploid megaspores. The megaspore mother cell is the first cell to develop into a female gametophyte. One of the four megaspores is functional in most flowering plants, while the other three degenerate. Only the functional megaspore gives rise to the female gametophyte (embryo sac).

This process of embryo sac formation from a single megaspore is known as monosporic development. The nucleus of a functional megaspore divides during mitosis to produce two nuclei, which migrate to the opposing poles to form a 2-nucleate embryo sac. The 4-nucleate and later 8-nucleate stages of the embryo sac are created by two more sequential mitotic nuclear divisions. Six of the eight nuclei are enclosed by cell walls and arranged into cells; the remaining two nuclei, called polar nuclei are situated below the egg apparatus in the large central cell.

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Requirements for this Science Experiment

Permanent Slide Microscope

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