There Are Three Alleles Controlling the Blood Types ABO

question 8

Short Answer

There are three alleles controlling the blood types ABO. I A and I B are codominant genes, so that the combination I A I B produces the blood type AB. The third allele I O is recessive to the other two alleles. Indicate which of these parents could produce the given child:
  Parents Child Yes or No
(a) A x AB B  
(b) A x O A  
(c) A x B O  
(d) A x AB O  
(e) A x AB B  
(f) B x B O  
(g) AB x AB A

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