All of the Following Methods Are Used in Assessing Heritability

Multiple Choice

All of the following methods are used in assessing heritability EXCEPT:

A) the study of families where most members share a particular trait.
B) the comparison of adopted children to their biological and their adoptive parents.
C) the comparison of identical twins with same-sex fraternal twins.
D) the study of identical twins separated shortly after birth and reared apart.