Prepubescent children show the adult relationship between dermatoglyphic asymmetry and performance on sexually dimorphic tasks.

The dermatoglyphic pattern of dermal ridges that constitutes the human fingerprint is complete by the 16th foetal week and its development is thought to be influenced by prenatal hormones. Finger ridge count (FRC) is asymmetrical with the majority having more ridges on the finger tips of the right hand (R >) while the minority have more on the left (L… (More)