Frank Grutzner

Professor, School of Biological Sciences, University of Adelaide

Frank Grutzner

By 2021, a new and improved platypus genome and a first echidna genome included sequences of multiple Y chromosomes.

Wildlife & Biodiversity

In most mammals, one gene determines sex. But 100 million years ago, platypuses and echidnas went their own way

12 Jun 2025

3 min read