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EA EA
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Posts: 223
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5 years ago

1.Neither individual I 4 or I 6 has ever had their blood tested. What are their blood types?
3. Individual III 3 marries a man with blood type AB and they have four children. Will any of these children have blood type O? Explain.
4. Individuals II1 and II 2 have a second child. After you see the child's blood- test results, you know that both parents have the genotype  I^A i. What blood type is the child?
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Doctor-2-BDoctor-2-B
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5 years ago
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Q1: I4 can be either A or AB (I3 is IBi, so I4 can be either IAi or IAIB and produce IAi and IAIB offspring); I6 is A
Q3: No, AB and O matings can only produce A or B offspring.
Q4: O.  An O child would be the only way you could deduce that two A parents aren't IAIA.  If either of the parents are IAIA, all their offspring would be type A.
Pretty fly for a SciGuy

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EA
wrote...
5 years ago
Thanks a load Slight Smile
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