Quote Originally Posted by larry_orochi View Post
Is it possible to breed a tyrosinase-positive albino with a tyrosinase - negative albino, Can those 2 kinds of albinism gene combine to be a combo??
I believe that a double homozygous would look like a typical T-.

In a T+ animal the enzyme is present however, in a T- the enzyme is absent. So in a situation where both sets of the mutant allele are in the same animal T- should be epistatic to T+ and the animal will appear as a T- animal.