Genetic and environmental influences on height from infancy to early adulthood: An individual-based pooled analysis of 45 twin cohorts

Variation (astronomy) Geographic variation
DOI: 10.1038/srep28496 Publication Date: 2016-06-23T18:13:20Z
AUTHORS (103)
ABSTRACT
Abstract Height variation is known to be determined by both genetic and environmental factors, but a systematic description of how their influences differ sex, age global regions lacking. We conducted an individual-based pooled analysis 45 twin cohorts from 20 countries, including 180,520 paired measurements at ages 1–19 years. The proportion height explained shared factors was greatest in early childhood, these effects remained present until adulthood. Accordingly, the relative contribution increased with adolescence (up 0.83 boys 0.76 girls). Comparing geographic-cultural (Europe, North-America Australia East-Asia), variance lowest East-Asia, roughly similar across regions. Our findings provide further insights into during childhood populations representing different ethnicities exposed environments.
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