In the Universal ABO Blood Grouping System,there Are Four Phenotypes

question 69

Multiple Choice

In the universal ABO blood grouping system,there are four phenotypes: A,B,AB,and O.Various populations have different frequencies of these four phenotypes but,in most populations O is most common and AB least common.The ABO blood grouping system exemplifies

• A) polymorphism.
• B) genetic drift.
• C) the bottleneck effect.
• D) the Red Queen effect.
• E) the founder effect.

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