How oskar the gene invented sex

A leading scientist who studies how genes make bodies, Cassandra Extavour almost became a musician and still sings professionally. She works with an extraordinary insect gene called oskar. Hundreds of millions of years ago oskar borrowed a fragment of a bacterial DNA that made sexual reproduction possible in the vast majority of animals– including you, me, and scientists who sing. Support the show: https://www.patreon.com/clearandvivid