GoldnJulz · 46-50, F
Yes, it is entirely possible. A man and a woman who are both blood type A+ can have a child with type O+ blood.For this to happen, both parents must have a hidden recessive "O" gene, meaning their blood type genotype is AO. If both parents pass this recessive O gene to the child, the child will be type O.
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Magicianzini · M
If you have any doubts, get a paternity test.
ShenaniganFoodie · M
For this to happen, both the man and the woman must have the heterozygous genotype (AO) for their A blood type and carry the recessive O gene
Gibbon · 70-79, M
If AA then no. If AO then yes but they must both be AO
Gingery · 41-45, F
If they both have the AO genotype there is a 75% chance their offspring will have type A blood, and 25% chance the child will have type O blood.
However, if either parent has the AA genotype, then it’s 100% certain that the child will have type A blood.
However, if either parent has the AA genotype, then it’s 100% certain that the child will have type A blood.






