Question

If father is homozygous for blood group ‘A’ and mother is ‘O', and both are carrier for H-gene, then probability of phenotypically ‘O'child in their progeny will be: A.O B. 25% C. 50% D. 100%​

Answer 1

the probability of a child having blood group O is zero

Explanation:

all the progeny will be A

Answer 2

Answer:

if we cross homozygous of A means l'A . I'A with i,i then by cross we will get only l'Ai and l'A is dominant