Question on: JAMB Biology - 2024
One of the following is an example of discontinuous variation
A
shape of the head
B
blood group
C
body complexion
D
pointed nose
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Correct Option: B
Discontinuous variation refers to traits that have distinct categories with no intermediate forms. Blood group is a classic example of discontinuous variation because individuals are classified into distinct blood types (A, B, AB, or O) with no in-between categories. The other options, such as shape of the head, body complexion, and pointed nose, are examples of continuous variation because they show a range of forms, with many intermediate categories.
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