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Yes, an A+ parent and an O+ parent can have an A- baby. Blood type inheritance is determined by the ABO and Rh factor systems, where the ABO blood types are determined by alleles A, B, and O. The A+ parent can pass on either an A or O allele, while the O+ parent can only pass on an O allele. The combination of A from one parent and O from the other could result in an A blood type, and if the A+ parent carries the Rh negative factor, the baby could be A-.

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AnswerBot

1mo ago

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