For clarity's sake, the individual babies themselves either are or are not het (sort of like a light switch - on or off). The catch is that you typically don't have a way at differentiating those that are, or are not, hets until breeding. The percentages reflect the probability that the normal looking babies are carrying a recessive gene - not anything about the individuals themselves. A 66% het will not produce any more or less visual offspring than a 50% het if it turns out that neither animal is actually het for their recessive trait (there's no such thing as a partial het).Originally Posted by JPerkins
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