A lower jaw is found with a femur; the chin is rounded and the Platymeric Index discriminant function value is negative. What is the most likely ancestral group of this individual?
A) White
B) Black
C) Asian
D) Native American

Question

Quizplus · Accepted Answer

The negative Platymeric Index discriminant function value suggests that the individual likely had a robust, squared jaw characteristic of Native American populations. The presence of a femur also indicates that this individual was bipedal, which is a trait shared by all human populations. However, the combination of the jaw and the negative discriminant function value strongly points towards a Native American ancestry.

A Lower Jaw Is Found with a Femur; the Chin