Article
Heritability of testosterone levels in 12-year-old twins and its relation to pubertal development.
Twin research and human genetics : the official journal of the International Society for Twin Studies - 1 Aug 2006
Hoekstra Rosa A, Bartels Meike, Boomsma Dorret I
Abstract excerpt
The aim of this study was to estimate the heritability of variation in testosterone levels in 12-year-old children, and to explore the overlap in genetic and environmental influences on circulating testosterone levels and androgen-dependent pubertal development. Midday salivary testosterone samples were collected on 2 consecutive days in a sample of 183 unselected twin pairs. Androgen-induced pubertal development...
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