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Will child blood group change from the parents? For example male o+ female a+ child ab-
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Hi. No.its not possible. Child gets blood group as that of parents. Its co dominant meaning both father and mother gene will express itself mutually in child. There are some predictable combination. If father is a+ and mother is b+,the child may have o+/b+/a+/ab+.but never a positive parents give birth to negative child. For the example you quoted the child may be either o+ or a+.no other type is possible.
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