Actually no this is not the case....Originally Posted by Turbo Serpent
If spider was Dominant then when bred with a female all offspring would have to be "spider" in appearance, assuming that spider being dominant that it is also homozygous in that sense.
But if a spider is paired with a normal and normals are hatched from the clutch then one would assume that by these results that the spider is in fact co-dominant and merely heterozygous.
I need a spider so I can breed with a normal and see results. This sounds very intriguing. Good luck on your pairings.
A Dominant mutation still can only pass on one copy of the gene to the offspring.
Dominant mutations are visually identical wether they are heterozygous or homozygous carriers of the gene
If the parent is a Heterozygous Dominant gene carrier bred to normal Statistically 50% of the offspring will be Heterozygous carriers (Visual) and 50% will not be carriers (completely normal)
If the parent is a Homozygous Dominant gene carrier bred to normal
All offspring will be Heterozygous cariers of the gene. Thus they will look identical to the Parent Homozygous carrier but only be heterozygous carriers themselves (1 copy of the gene)
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