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Birth size and gestational age in opposite-sex twins as compared to same-sex twins: An individualbased pooled analysis of 21 cohorts
(Nature Publishing, 2018-04-19)
It is well established that boys are born heavier and longer than girls, but it remains unclear whether birth size in twins is affected by the sex of their co-twin. We conducted an individual-based pooled analysis of 21 ...
Genetic and environmental influences on human height from infancy through adulthood at different levels of parental education
(Nature, 2020-05-14)
Genetic factors explain a major proportion of human height variation, but differences in mean stature have also been found between socio-economic categories suggesting a possible effect of environment. By utilizing a ...
Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts
(Nature, 2020-07-29)
We investigated the heritability of educational attainment and how it differed between birth cohorts and cultural-geographic regions. A classical twin design was applied to pooled data from 28 cohorts representing 16 ...
Associations Between Birth Size and Later Height From Infancy Through Adulthood: an Individual Based Pooled Analysis of 28 Twin Cohorts Participating in the Codatwins Project
(Elsevier Ireland, 2018-05)
Background: There is evidence that birth size is positively associated with height in later life, but it remains unclear whether this is explained by genetic factors or the intrauterine environment.
Aim: To analyze the ...
Does the sex of one’s co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts
(Biomed Central, 2017-04-27)
Background: The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure. To examine possible prenatal hormonal influences on ...
Educational attainment of same-sex and opposite-sex dizygotic twins: An individual-level pooled study of 19 twin cohorts
(Elsevier, 2021-11)
Comparing twins from same- and opposite-sex pairs can provide information on potential sex differences in a
variety of outcomes, including socioeconomic-related outcomes such as educational attainment. It has been
suggested ...
Genetic and environmental influences on adult human height across birth cohorts from 1886 to 1994
(eLife Sciences Publications, 2016-12-14)
Human height variation is determined by genetic and environmental factors, but it
remains unclear whether their influences differ across birth-year cohorts. We conducted an
individual-based pooled analysis of 40 twin ...