In ABO blood grouping,there are P genotypes a | vedclass

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(C) In $ABO$ blood grouping,the inheritance is controlled by the gene $I$. The gene $I$ has three alleles: $I^A, I^B,$ and $i$.Because there are three

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$6 \quad\quad 4$

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(C) In $ABO$ blood grouping,the inheritance is controlled by the gene $I$. The gene $I$ has three alleles: $I^A, I^B,$ and $i$.Because there are three alleles,the possible genotypes are $I^A I^A, I^A i, I^B I^B, I^B i, I^A I^B,$ and $ii$. Thus,there are $6$ genotypes.The possible phenotypes are $A, B, AB,$ and $O$. Thus,there are $4$ phenotypes.Therefore,$P = 6$ and $Q = 4$.

In $ABO$ blood grouping,there are $P$ genotypes and $Q$ phenotypes.
$\quad P \quad\quad Q$

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In $ABO$ blood grouping,there are $P$ genotypes and $Q$ phenotypes.$\quad P \quad\quad Q$