When 200 researchers pooled their data on 126,559 people,all the gene variations analyzed accounted for a very ________ percentage of the differences in educational achievement among individuals in this group.This suggests that there are ________ genes that contribute to intelligence.
A) small;many
B) small;very few
C) large;many
D) large;very few

Question

Quizplus · Accepted Answer

The correct answer is A) small; many. This is because if gene variations accounted for a very small percentage of the differences in educational achievement, it implies that intelligence and educational achievement are influenced by a wide range of genes, each contributing a small effect, rather than a few genes having a large impact.

When 200 Researchers Pooled Their Data on 126,559 People,all the Gene