You cross extended black barred male with a duckwing (wild type) female the offspring are barred extended black/wild type females and single gene barred extended black/wild type males. You cross those together and you get 25% extended black/extended black, 50% extended black/wild type. And 25% wild type/wild type.Not what I've read in the past, but okay.
I'm liking the new emojis.![]()
You'll get half barred females and half non barred females. Half single gene barred and half double gene barred males. You hatch enough you'll get wild type/wild type females with barring and wild type/wild type double gene barred males.
Those are your creles and they'll breed true together.