Blood type is determined by the "alleles" that are inherited from the parents. Alleles are possible types of a particular gene, in this case the blood type gene. There are three basic blood type alleles: A, B, and O. Children have two alleles, one inherited from each parent.
Blood type is determined by the "alleles" that are inherited from the parents. Alleles are possible types of a particular gene, in this case the blood type gene. There are three basic blood type alleles: A, B, and O. Children have two alleles, one inherited from each parent.