adjective
- Producing gametes of only one type with respect to sex chromosomes; having two identical sex chromosomes.
Usage: biology; genetics
Examples
- In mammals, females are isogametic, producing only X-bearing eggs.
- The isogametic sex produces gametes that are all genetically identical with regard to sex determination.
- Birds have an isogametic female sex, unlike mammals.
- Isogametic organisms contribute equally to the genetic variation in offspring sex ratios.