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Article

Developmental basis of sexually dimorphic digit ratios

6 Sept 2011

Abstract excerpt

Males and females generally have different finger proportions. In males, digit 2 is shorter than digit 4, but in females digit 2 is the same length or longer than digit 4. The second- to fourth-digit (2D:4D) ratio correlates with numerous sexually dimorphic behavioral and physiological conditions. Although correlational studies suggest that digit ratios reflect prenatal exposure to androgen, the developmental...

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Share to Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
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PMID: 21896736
DOI: 10.1073/pnas.1108312108

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