The friction ridges seen in finger,palm and foot prints are different among various people but very similar between identical twins.This evidence suggests which of the following?
A) That friction ridges change over time.
B) That friction ridges aid in griping.
C) That friction ridges allow for better tactile sensation.
D) That friction ridges are genetically determined.

Question

Quizplus · Accepted Answer

The fact that identical twins have very similar friction ridges suggests that these are genetically determined characteristics. This is further supported by studies that have shown that family members share more similarities in their finger and palm prints compared to unrelated individuals. Therefore, choice D is the best answer.

The Friction Ridges Seen in Finger,palm and Foot Prints Are