The Andrology Blog

The Science & Medicine of Male Reproduction

Archive for eggs

What is the essence of a male?

All males of all species have the same biological feature in common. This feature is truly what makes a male a male. Here it is:

Males make small sized gametes.

Gametes are reproductive cells, like sperm or egg. In all species of life from the human to the toad to the sunflower, females have large sex cells and males have small ones.