Autosomal dominant inheritance. Eye color (Page 4)
The color of the eyes is somewhat more complicated than what we are going to see here. It is not only determined by a single gene, but two are involved. The chromosome 15 with alleles M and m, where the presence, at the least, a M determines that the eyes are brown and the presence of the two eyes mm determines that are clear, blue or green. We, in the simulation, will stay here.
As we say, this type of inheritance is complicated because the other gene, on chromosome 19, will determine in people with light eyes (mm) whether the eyes will be blue or green . Individuals who already have M in the first gene will have brown eyes regardless of the combination in the second gene. Therefore, this second gene only influences the phenotype in individuals of genotype mm. It has two alleles, V and v, the green eye color being dominant. Thus, if we have at least one V ( VV or Vv ) in this gene, the eye color will be green, and if we have both vv alleles, the eye color will be blue..
As we have said, in the simulation we will see what the eyes of the descendants (brown or light) look like depending on the genotype of the parents.