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.

Question

Quizplus · Accepted Answer

The ABO blood grouping system demonstrates polymorphism, which refers to the coexistence of multiple distinct phenotypes within a population, with each phenotype being maintained at levels greater than would be expected by mutation alone.

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