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How many alleles control the ABO blood group system?
A
IAI^AIA and IBI^BIB.
B
The ABO blood group gene has the alleles IA\boxed{I^A}IA, IBI^BIB and iii.
C
14=25%\dfrac{1}{4}=25\%41=25% for each group.
D
Three.
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3.3.6 Inheritance of ABO blood groups Flashcards
23 flashcards on Edexcel GCSE Biology 3.3.6 Inheritance of ABO blood groups: the key terms, definitions and processes you need to recall for Paper 1 and Paper 2.