Anisogamic (Adjective)
Meaning
Relating to a type of sexual reproduction in which the gametes are dissimilar in some respect (as size or shape).
Classification
Relational adjectives (pertainyms).
Examples
- Most species of animals exhibit anisogamic reproduction, where the male gamete is smaller and more motile than the female gamete.
- In anisogamic species, the larger female gamete often provides nutrients to the developing embryo.
- Anisogamic reproduction is thought to have evolved as a way to increase the chances of successful fertilization.
- The anisogamic nature of human reproduction is evident in the large size difference between the egg and sperm cells.
- In some anisogamic species, the male gamete is not only smaller but also has a distinct shape that allows it to penetrate the female gamete more easily.