Scientists have found the gene that gives some sheep unusually big, muscular bottoms.
Sheep bearing one gene variant, dubbed callipyge (from the Greek for shapely buttocks), convert food into muscle 30 percent more efficiently than usual, report scientists at the Agricultural Research Service in Clay Center, Neb., and at Duke University in Durham, N.C. The gene may inspire insights into fat metabolism and muscle formation, he says.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.