The probability of having a child with blood | vedclass

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(D) If the parents have blood groups $A$ and $B$,they can be heterozygous for the $O$ allele (genotypes $I^A i$ and $I^B i$).When these parents cross,

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$1$ out of $4$

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(D) If the parents have blood groups $A$ and $B$,they can be heterozygous for the $O$ allele (genotypes $I^A i$ and $I^B i$).When these parents cross,the possible genotypes for their offspring are $I^A I^B$ (blood group $AB$),$I^A i$ (blood group $A$),$I^B i$ (blood group $B$),and $ii$ (blood group $O$).Thus,there are $4$ possible outcomes,and only $1$ of them results in blood group $O$.Therefore,the probability of having a child with blood group $O$ is $1$ out of $4$.

The probability of having a child with blood group $O$ to parents with blood groups $A$ and $B$ is

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