Researchers determine Y-chromosome mutations reveal precariousness of male development

headshot of Michael Weiss CWRU in his lab

The idea that men and women are fundamentally different from each other is widely accepted. And throughout the world, this has created distinct ideas about which social and physical characteristics are necessary in each

Researchers find evolution of diverse sex-determining mechanisms in mammals

DNA

Scientists historically have argued that evolution proceeds through gradual development of traits. But how can incremental changes apply to the binary switch between two sexes, male or female? Researchers at Case Western Reserve University’s