Photo: Heat Triggers Sex Change in Lizards by "Turning Off" Key Gene



Australian central bearded dragons have been found to change from male to female under especially hot conditions while still in the egg, scientists say. The discovery could revolutionize thinking about how sex is determined in animals, according to researchers.

Photograph © Science


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.