Manes, Trains And Antlers Explained: How Showy Male Traits Evolved

For Charles Darwin, the problem of the peacock's tail, in light of his theory of natural selection, was vexing in the extreme. A team of Wisconsin scientists has turned from the question of why such male traits exist to precisely how they evolved. They have worked out the molecular details of how a simple genetic switch controls decorative traits in male fruit flies and how that switch evolved.

Read the whole article on Science Daily

More from Science Daily