Publisher:
Journal of Psychology and Psychiatry, Vol. 18; (1977)
Notes:
Article presents the reader with the details of the findings of genetic study conducted on a group of 21 same sexed twin pairs. The study access social, emotional, cognitive and linguistic functions as well as obstetric and neonatal data to determine whether the concordance findings are a result of physical/environmental factors rather than heredity.
Author:
Folstein, Susan; Rutter, Michael