How rattlesnakes got, and lost, their venom

Posted by on September 16, 2016 1:44 pm
Categories: Top News

Millions of years ago, the ancestor of modern rattlesnakes was endowed with a genetic arsenal of toxic weaponry. But in a relatively short period of evolutionary time, different types of snakes kept different types of toxin genes, and shed others.

Leave a Reply

Your email address will not be published. Required fields are marked *