ABO blood grouping is controlled by gene I,wh | vedclass

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(C) : The three alleles $I^A$,$I^B$,and $i$ of gene $I$ in the $ABO$ blood group system can produce six different genotypes and four different phenoty

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Four

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(C) : The three alleles $I^A$,$I^B$,and $i$ of gene $I$ in the $ABO$ blood group system can produce six different genotypes and four different phenotypes as shown below:      Genotypes    Phenotypes        $I^AI^A, I^Ai$    Blood group $A$        $I^BI^B, I^Bi$    Blood group $B$        $I^AI^B$    Blood group $AB$        $ii$    Blood group $O$  Thus,there are a total of four possible phenotypes: $A, B, AB,$ and $O$.

$ABO$ blood grouping is controlled by gene $I$,which has three alleles and shows co-dominance. There are six genotypes. How many phenotypes in all are possible?

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