The genotypes of husband and wife are `I^(A)I^(B)` and `I^(A)i`. Among the blood groups of their children how many different genotypes and phenotypes are possible

Options

A. 3 genotypes , 3 phenotypes
B. 3 genotypes , 4 phenotypes
C. 4 genotypes , 3 phenotypes
D. 4 genotypes , 4 phenotypes

Answer

C

Explanation

Number of genotypes = 4
Number of phenotypes = 3
`I^(A)I^(A) and I^(A)i = A`
`I^(A)I^(B) = AB`
` I^(B)i = B`