A baby boa is going to inherent one gene from each parent for every trait. So the hypo trait has two possible options for genes (alleles), normal or hypo and there are two "slots" (loci) in an individual. In a normal, regular hypo there is both a normal gene and a hypo gene. The hypo gene is dominant over normal and therefore will be displayed. This animal is considered heterozygous because the two alleles are different. It is NOT codominant! Codominant is a type of trait, which some people feel the hypo trait is and others feel it is dominant (just means that codominant traits' heterozygous forms are easily distinguishable from their homozygous/super forms). Now you can't have a "het for hypo" like you can with an albino, because the hypo gene is dominant so if it is present, it will be showing.

A super hypo has two hypo genes and is homozygous.

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