Does anyone have frizzles that carry the frizzle modifier so that there is no need to breed back to smooth feathered birds? This is what I found on the gene but with all the discussion of breeding back to smooth birds for frizzles it had me wondering if there are any birds in the U.S. that carry it or if it does not reduce the frizzling enough after repeated frizzle to frizzle breeding frizzle modifier mf Recessive. Reduces/modifies the effect or expression of the frizzle gene. This gene can modify frizzle heterozygote expression to the point that they are almost indistinguishable from the wild type. Modifies the extreme expression of the frizzle homozygote.