A worldwide team of researchers pooled their data on the DNA and schooling of 126,559 people.All the genetic variations they examined accounted for about ________ percent of the schooling differences among individuals in this large sample.
A) 2
B) 10
C) 25
D) 40

Question

Quizplus · Accepted Answer

The genetic variations examined accounted for about 2 percent of the schooling differences among individuals in the sample, indicating that while genetics may play a role, it is a relatively small factor compared to other influences.

A Worldwide Team of Researchers Pooled Their Data on the DNA