Association for Biology Laboratory Education

The 2D:4D Ratio – Investigation of a Sexually Dimorphic Trait in the Human Skeleton
 

McMahon, K. A.

Tested Studies in Laboratory Teaching, 2010, Volume 31

Abstract

The ratio (2D:4D) between 2nd digit and 4th digit length is sexually dimorphic in humans. Males have 2D:4D

Keywords:  human evolution, human anatomy, sexual dimorphism

University of Delaware (2009)