People are fully aware that a litter of kittens can be born with a mix of orange and black and grey and brown cats but meanwhile a human woman gives birth to two twins, one light skinned and one dark skinned, and we're all WHAT SORCERY IS THIS???
absolutely. but I also dont think a child's appearance on birth is genetics per se. skin color, hair, etc change pretty quick. am i wrong? you know more about repro than i do