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WAEC - Biology (2010 - No. 54)
Mr. Andrew, his wife and child belong to blood groups A, B and O respectively. The genotypes of both parents are
I
A
I
O
and I
B
I
B
I
A
I
A
and I
B
I
B
I
A
I
B
and I
A
I
O
I
A
I
O
and I
B
I
O
.
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