Progeny with blood group 'O' cannot be obtain | vedclass

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(C) The blood group '$O$' is determined by the genotype $ii$. In the cross $O 	imes AB$,the parents have genotypes $ii$ and $I^A I^B$ respectively. T

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$O 	imes AB$

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(C) The blood group '$O$' is determined by the genotype $ii$. In the cross $O 	imes AB$,the parents have genotypes $ii$ and $I^A I^B$ respectively. The gametes produced are $i$ from the $O$ parent and $I^A$ or $I^B$ from the $AB$ parent. The resulting offspring will have genotypes $I^A i$ (blood group $A$) or $I^B i$ (blood group $B$). Therefore,it is impossible to obtain an offspring with blood group '$O$' $(ii)$ from this cross.

Progeny with blood group '$O$' cannot be obtained in which of the following crosses?

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