is the mutation only expressed in HALF (approx) the litter when a hypo is bred to a normal? I always thought that a DOMINANT gene would, be just that ..... dominant over the genetics of a normal animal thus expressing itself???

OK - so as per above, then are their different levels of dominance in genes? Correct me if Im wrong but if a hypo boa is a simple dominant trait, in which the het and homo. forms look alike, then why does only half of the litter express the "dominant" gene. I understand the word "dominant" to mean that it will express itself over the genetics of a normal animal.

I certainly understand the explination of co-dominance. It makes sense since the het and homo. forms look different.

Care to clarify?

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