Question

Researchers study identical twins to examine how _____influences personality.

Answer 1

Researchers study identical twins to examine how heredity influences personality.

Step-by-step explanation:

Answer 2

Researchers study identical twins to examine how genetic factor influences personality. The two off-springs which are produced from same pregnancy are twins. Researchers compared between the monozygotic twins and dizygotic twins in twin studies. Identical twins have identical genes. Monozygotic twins are identical twins and dizygotic twins are fraternal twins.