13 julio 2015
If not for a single genetic mutation, each kernel on a juicy corn cob would be trapped inside a inedible casing as tough as a walnut shell. The mutation switches one amino acid for another at a specific position in a protein regulating formation of these shells in modern corn’s wild ancestor, according to a new study.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/jZEJ5nY41uw» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/jZEJ5nY41uw/150713103525.htm
