The white gene is located on the x chromosome and the cream gene is located on an autosome. bridges reached this conclusion from the result of a mating between red-eyed females (ccaxw+xw-e) and red-eyed males (ccaxw+y). what would have been the outcome of this mating if white and cream were still different genes but both were located on the x chromosome? hint: the female genotype is xw+ c xw-e ca and the male genotype is xw+ c y.