Pinstripe is considered to be a dominant pigmentation allele. Homozygous dominant for pinstripe appears to be embryonic lethal as it seem that nobody has been able to generate a "super pinstripe" as we would expect if the pinstripe gene were incomplete dominant (co-dominant in ball python land). I've also not heard of anyone generating a pinstripe that when bred to a normal produced only pinstripe offspring (as would be expected if there was a homozygous pinstripe animal that had no difference in phenotype between the heterozygous and homozygous animals).
Originally Posted by chrisv
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