The albino gene is recessive meaning that both of the parents have to be carriers for this to occur. Since the offspring is an albino it means that the parents both had the recessive gene for albanism, and their offspring had a 1 in 4 chances of being an albinoe<span />
There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.
