Biology, 03.11.2019 03:31 madelineb6243
Mary has type a blood and her husband (john) has type b blood. john's parents both had type ab. mary and john have three children, one with type a, one with type ab, and one with type b. relatives suspect that one of the children was adopted.
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Mary has type a blood and her husband (john) has type b blood. john's parents both had type ab. mary...
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