Sex linked traits are usually passed on in males as its their DNA that creates sex.....
If the male snake is ZZ and the female snake is Zw, wouldn't the FEMALE be the one who creates sex, unlike mammals?
Also if the PB mutation is a recessive trait or a codominant trait, wouldn't you have a strong expression in homozygous males, but a lesser expression in hemizygous females? ----- ~Sasheena
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