Answer:
four blood types, a, b, ab , and o,
3 Alleles
Step-by-step explanation:
There are mainly 3 alleles for blood types IA, IB and i. IA and IB are dominant and i is a recessive allele.
Allele. Blood group
IA. A
IA, IB AB
IA, i A
IB B
IB, i B
ii O
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