Question

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

Answer 1

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.