Biometrical genetic analysis of the cotwin control design.

doi:10.1007/BF01067535

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Article

Biometrical genetic analysis of the cotwin control design.

Behavior genetics - 1 Jul 1994

Duffy D L

Abstract excerpt

The twin-cotwin matched case-control design can be interpreted in terms of bivariate genetic factor models. I derive expressions for the expected intrapair difference for a trait correlated with the variable on which discordance was selected.

Topics

Analysis of Variance
Case-Control Studies
Factor Analysis, Statistical
Humans
Models, Genetic
Phenotype
Twin Studies as Topic
Twins

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