News From the Field
Why Don't More Animals Change Their Sex?
February 2, 2009
Some animals live as one sex part of their lifetime and then switch to the other sex, a phenomenon called sequential hermaphroditism. Sequential hermaphroditism naturally occurs in various organisms from plants to fishes. In this study, Yale graduate student Erem Kazancioglu and his advisor Suzanne Alonzo, assistant professor of ecology and evolutionary biology, demonstrate that sex change is surprisingly robust against costs.
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