With respect to the ABO group, there are four major blood types because this blood group is determined by

Question

With respect to the ABO group, there are four major blood types because this blood group is determined by, Three alleles, all of which are recessive, Three alleles, of which, two are recessive and the third is dominant, Three alleles, of which two are co-dominant and the third is recessive., Three alleles, all of which are co-dominant

MARKS App · Accepted Answer

Blood group is determined by three alleles − I A , I B , a n d I o . Alleles I A a n d I B are codominant. Blood group A is determined by I A I A o r I A I o . Blood group B is determined by I B I B o r I B I o . Blood group O is determined by I o I o . Blood group AB is I A I B .

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