Genetic and environmental influences on serum levels of human C4.

doi:10.1080/03014468400007001

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Article

Genetic and environmental influences on serum levels of human C4.

Annals of human biology - 1 Jan 2000

Averill B K, Bernal J E

Abstract excerpt

In a family study, levels of the C4 component of complement measured in 195 individuals show a continuous normal distribution. There is a slight but significant age effect, especially in females. Heritability is estimated at 62%. The effect of environment, however, remains substantial, and it is...

Topics

Adult
Age Factors
Alleles
Analysis of Variance
Animals
Complement C4
Environment
Female
Genes
Genotype
Humans
Male
Middle Aged
Phenotype
Polymorphism, Genetic
Rats
Regression Analysis
Sex Factors

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