THE HUMAN IMMUNE SYSTEM
TRANSFUSION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A mom has blood type AB+ and father has AB-. What are the blood type probabilities for their offspring?
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50% A+, 25% B+ and 25% AB+
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50% A-, 25% B+ and 25% AB+
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50% AB+, 25%A+ and 25% B+
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50% AB-, 25%A-and 25% B-
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Explanation:
Detailed explanation-1: -If the father is heterozygous, there is a 50% probability for a blood type A child and a 50% probability for a blood type O child. If the father is homozygous, every offspring will be blood type A. The mother of the child is Rh+. She may be homozygous or she may be heterozygous with one Rh+ allele and one Rh-allele.
Detailed explanation-2: -Believe it or not, in this case having a blood type different from either parent is by far the most common result. In most cases, an O parent and an AB parent will have only A or B kids.
Detailed explanation-3: -The chance for AB blood group is 37.5% .
Detailed explanation-4: -So, the correct option is ‘AB and B’.
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