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musickatia [10]
3 years ago
6

Mary has type A blood and her husband (John) has type B blood. John's parents both had type AB. Mary and John havethree children

, one with type A, one with type AB, and one with type B. Relatives suspect that one of the children was adopted.
Biology
1 answer:
EleoNora [17]3 years ago
7 0
Because one has rule A so it wouldn't make Sense.
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