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. 1989 Jan;19(1):123-41.
doi: 10.1007/BF01065888.

Resemblances of parents and twins in sports participation and heart rate

D I Boomsma, M B van den Bree, J F Orlebeke, P C Molenaar

Resemblances of parents and twins in sports participation and heart rate

D I Boomsma et al. Behav Genet. 1989 Jan.

Abstract

A model to analyze resemblances of twins and parents using LISREL is outlined and applied to sports participation and heart-rate data. Sports participation and heart rate were measured in 44 monozygotic and 46 dizygotic adolescent twin pairs and in their parents. Genetic factors influence variation in both sports behavior and heart rate, while there is no evidence for transmission from parental environment to offspring environment. For sports participation the data support a model in which there is a high positive correlation between environments of spouses and between environments of female twins. This correlation is absent for male twins and negative for opposite sex twins. For heart rate, a positive correlation between environmental influences was observed for all twins; there is no evidence for assortative mating. The proposed model can also handle data sets where parents and twins have been measured on more than one variable. This is illustrated by an application to the observed association of sports participation and heart rate.

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