The genotypes of a husband and wife are I^A I | vedclass

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(B) Step $1$: Perform the cross between the parents with genotypes $I^A I^B$ and $I^A I^O$.Step $2$: The possible combinations are:- $I^A I^A$ (Phenot

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$4$ genotypes and $3$ phenotypes

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(B) Step $1$: Perform the cross between the parents with genotypes $I^A I^B$ and $I^A I^O$.Step $2$: The possible combinations are:- $I^A I^A$ (Phenotype: Blood group $A$)- $I^A I^O$ (Phenotype: Blood group $A$)- $I^A I^B$ (Phenotype: Blood group $AB$)- $I^B I^O$ (Phenotype: Blood group $B$)Step $3$: Count the distinct genotypes: $I^A I^A$, $I^A I^O$, $I^A I^B$, and $I^B I^O$ (Total $4$ genotypes).Step $4$: Count the distinct phenotypes: Blood group $A$, Blood group $AB$, and Blood group $B$ (Total $3$ phenotypes).Conclusion: There are $4$ genotypes and $3$ phenotypes possible.

The genotypes of a husband and wife are $I^A I^B$ and $I^A I^O$. Among the blood groups of their children, how many different genotypes and phenotypes are possible?

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