What Does Arrhenotokous Mean?

Arrhenotoky, also known as arrhenotokous parthenogenesis, is a form of parthenogenesis in which unfertilized eggs develop into males. In most cases, parthenogenesis produces exclusively female offspring, hence the distinction.

What is arrhenotoky in biology?

The arrhenotoky is a form of parthenogenesis in which the unfertilized eggs develop into males. In contrast, thelytoky is a form of parthenogenesis in which unfertilized eggs develop into females. Deuterotokous parthenogenesis (deuterotoky) is one in which the unfertilized eggs may develop into males and females.

How does arrhenotoky work?

In arrhenotoky, males are produced from unfertilized eggs laid by mated (impregnated) females or by so-called secondary, or supplementary, queens, which have not been impregnated. In thelytoky, which occurs in many species of the suborder Symphyta, unmated females produce males.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.