when cock is pure E/E lav/lav and the hen is pure E/E B/- than F1 = all chicks male are unpure Sparviero E/E B/b+ Lav+/lav and all chicks female are Black E/E b+/- Lav+/lav (as you can see all are split for grigioperla)
Clodiloa it is the
hen who is Sparviero, she is "only" hemizygote ("B" is sex-linked) for Barring (B/-)
[Modificato da Danny_57 05/09/2011 09:01]