What Does Prothallial Cells Do?

The two small cells at one side are called prothallial cells and represent the remnants of what would be the vegetative tissue of an independent gametophyte. A larger cell, the generative cell, lies next to the prothallial cell. It will eventually produce two sperm cells.

What is the function of Prothallial cells?

Prothallium, the small, green, heart-shaped structure (gametophyte) of a fern that produces both male and female sex cells (gametes).

In which Gymnosperm Prothallial cells are absent?

Prothallial cells are lacking in the Taxodiaceae, Cupressaceae, Cephalotaxaceae and Taxaceae.