In the ABO series of human blood types, people have only one kind of blood type, either A, B, AB, or O. This illustrates what kind of variation?
A) Continuous
B) Contingent
C) Discontinuous
D) Genetic

Question

Quizplus · Accepted Answer

The ABO blood group system is an example of discontinuous variation because individuals fall into distinct categories (A, B, AB, or O) with no intermediate forms.

In the ABO Series of Human Blood Types, People Have