ABO blood grouping is controlled by gene I wh | vedclass

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Question

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

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Four

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(c) : The three alleles $I^A$, $I^B$ and $i$ of gene $I$ in $ABO$ blood group system can produce six different genotypes and four different phenotypes as shown below : 


	
		
			Genotypes
			Phenotypes
		
		
			
			$I^AI^B$

			$I^Ai$
			
			Blood group $A$
		
		
			
			$I^BI^B$

			$I^Bi$
			
			Blood group $B$
		
		
			$I^AI^B$
			Blood group $AB$
		
		
			$i\ i$
			Blood group $O$

$ABO$ blood grouping is controlled by gene I which has three alleles and show codominance. There are six genotypes. How many phenotypes in all are possible?

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