Question

ABO blood groups in human beings are controlled by the gene I. The gene I has three alleles -IA,IB and i. Since there are three different alleles, six different genotypes are possible
How many phenotypes can occur ?

Answer 1

Answer:

In humans, skin color is controlled by more than 1 gene. The human genotype of aabbcc has the lowest amount of melanin and have very light skin. If the genotype of human skin colour is AAbbcc and AaBbcc respectively, the phenotype of these genotypes will be light brown and dark brown.