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The ratio of 2nd to 4th digit length and male homosexuality

โœ Scribed by S.J Robinson; J.T Manning


Book ID
114361335
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
173 KB
Volume
21
Category
Article
ISSN
1090-5138

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There is evidence that the ratio of the length of the 2nd and 4th digit (2D:4D) is negatively related to prenatal and adult concentrations of testosterone. It has also been reported that high levels of testosterone at conception in both fathers and mothers are associated with an increased sex ratio