Which of the following accurately describes the patterns of inheritance in human blood type?
A. Three alleles code for blood types and three phenotypes are possible
b. Allele /a and /b are codominant and allele I is recessive
c. Allele I is dominant over alleles /a and /b
D.two alleles code for blood types and four phenotypes are possible
The question is wrongly placed under Mathematics which supposedly be under Biology. It talks about genetics. The answer for the question is letter D. There are 4 phenotypes, A, B, O, AB.
