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twin study
(redirected from Twin studies)

   Also found in: Wikipedia 0.01 sec.
twin study
Epidemiology A study using twins to determine the interplay of nature–genetic and nurture–environment and disease and its treatment; the interpretation of twin study data is often easier as there are exact genetic matches–ie, identical–monozygotic and partial genetic matches–ie, fraternal–dizygotic twins which are used as controls


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Since twins have the same gestational age and share DNA, uterine environment and conditions of early infancy, twin studies are an excellent way to examine the relationship between foetal growth and childhood disease.
Metabolism: Scandinavian researchers have found in twin studies where one twin was obese and the other thin, that metabolic changes made it harder to burn fat in the heavier twin.
We also learned that the four genes only account for 30% of the genetics of Alzheimer's disease," while twin studies suggest that at least 80% of cases involve some inherited factor.
 
 
 
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