Claude Bouchard conducted research on the effects of overfeeding on weight gain and found that identical twins were similar in the amount of weight they gained.This study provides evidence for which of the following statements?
A) Environment plays an important role in weight gain.
B) Being an identical twin is stressful and therefore likely to cause weight gain.
C) Weight gain is inevitable for most people if they overeat.
D) Genes play an important role in weight gain.

Question

Quizplus · Accepted Answer

The fact that identical twins showed similar weight gain suggests that genes play an important role in weight gain, as they have the same genetic makeup. This finding does not provide evidence for the other options listed.

Claude Bouchard Conducted Research on the Effects of Overfeeding on Weight