Index finger longer than ring gay

So the fascinating questions are: Perhaps she mounts a more effective immunological response to fetal hormones with each new male fetus. Males with CAH have more masculine smaller digit ratios than control males, [29] [30] which also suggests that prenatal androgens affect digit ratios, since amniocentesis samples show that prenatal levels of testosterone are in the high normal range in males with CAH, while levels of the weaker androgen androstenedione are several fold higher than in control males. XY individuals with androgen insensitivity syndrome AIS due to a dysfunctional gene for the androgen receptor present as women and have feminine digit ratios on average, as would be predicted if androgenic hormones affect digit ratios. Immunological response is the ascendant theory, in fact. A paper by Zhengui Zheng and Martin J.


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Polite, promiscuous... gay? What does your ring finger say about you?

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Archives of Sexual Behavior. Reproductive Biology and Endocrinology. By using this site, you agree to the Terms of Use and Privacy Policy. Progress in Neuro-Psychopharmacology and Biological Psychiatry. Gay men and lesbians tend to have reversed ratios. Reference values and concentrations in fetuses at risk for hydroxylase deficiency". In Manning et al.


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Consanguinous parentage inbreeding has been found to lower the 2D: Views Read Edit View history. That a greater proportion of men have shorter index fingers than ring fingers than do women was noted in the scientific literature several times through the late s, [16] [17] with the statistically significant sex difference in a sample of men and women established by , [18] after which time the sex difference appears to have been largely forgotten or ignored. Manning and colleagues have shown that 2D: It is not clear why digit ratio is influenced by prenatal hormones. Testing the Prenatal Androgen Hypothesis".


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