"Two iconic coaches sons," Fisch said. "It certainly is royalty. I don't take that lightly." Steve Belichick prefers his hair long as a football coach :: Mark J. Rebilas/USA Today sports With the these NFL offspring on the UW payroll, it wouldn't be unheard of to have Bi...
The way they do this is clever: since female chickens are ZW and males ZZ (in birds ,the heterogametic sex is female), they gene-edited the Z chromosome in a way that if blue light is shown on the embryo, it aborts. You then cross a ZZ male that has no modified Zs with a WZ*...