Heritability of digit ratio (2D:4D) in rhesus macaques (Macaca mulatta)

Nelson, Emma ORCID: 0000-0002-6302-3352 and Voracek, Martin (2010) Heritability of digit ratio (2D:4D) in rhesus macaques (Macaca mulatta). PRIMATES, 51 (1). pp. 1-5.

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Abstract

The second-to-fourth digit ratio (2D:4D) is a putative biomarker for prenatal androgen effects, which has been widely employed to study androgenic-programming effects on shaping sex-linked traits and behaviours in humans. This approach is now increasingly applied to non-human species. Heritability studies of 2D:4D in both humans and zebra finches indicate substantial genetic contributions to the expression of this trait. This study examines the heritability of 2D:4D in rhesus macaques, based on the resemblance of mother-infant dyads, to see how these compare with human values. Results suggest that familial resemblance in 2D:4D is also strong in rhesus monkeys. Heritability estimates were within the range of estimates from human studies. These preliminary results suggest that the strength of heritability of 2D:4D may generalize across taxa.

Item Type:	Article
Uncontrolled Keywords:	Digit ratio (2D-4D), Prenatal testosterone, Sex differences, Mother-offspring resemblance, Rhesus macaques
Depositing User:	Symplectic Admin
Date Deposited:	11 Jan 2016 10:45
Last Modified:	15 Dec 2022 07:10
DOI:	10.1007/s10329-009-0173-y
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/2045683