It will be easy to keep it floating along if the gene is linked to pea comb. It's easier to be sure by keeping only the pea combed pullets and check for egg color each generation.
BTW one of the chicks from blue eggs is a pullet. Probably keep her until she lays to check if her eggs come up blue or green...
BTW one of the chicks from blue eggs is a pullet. Probably keep her until she lays to check if her eggs come up blue or green...