Homework Answers
15) ABO locus determines the blood group, there are three alleles at this locus which determines the blood group.
IA, IB and i are the alleles
IAIA, IAi- A type blood
IAIB- AB type blood
IBIB, IBi- B type blood
ii- O type blood
IAi * IBi
| IA | i | |
| IB | IAIB (AB type blood) | IBi ( B type blood) |
| i | IAi (A type blood) | ii ( O type blood) |
possible genotypes and phenotypes of the progenies are given in the punnet square.
probability of getting AB type blood= number of progeny with AB type blood/total number=1/4
Probability of getting progeny with A type blood= number of progeny with A type blood/total number=1/4
probability of getting progeny with B type blood= number of progeny with B type blood/total number=1/4
probability of getting progeny with O type blood= number of progeny with O type blood/total number=1/4
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