Multiple Choice
The ABO blood groups in humans are determined by a multiple allelic system in which IA and IB are codominant and are dominant to iO. If an infant born to a type O mother also is type O, possible genotypes for the father are
A) O or A.
B) A or B.
C) O only.
D) O, A, or B.
E) impossible to determine.
Correct Answer:

Verified
Correct Answer:
Verified
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