Genetic epidemiology allows us to determine if a trait or a disease has a genetic basis...

Genetic epidemiology allows us to determine if a trait or a disease has a genetic basis and this begins with the study of Familial Aggregation and Heritability. For each of these two types of study, answer: (a) What is their purpose? (b) How do they work? (MIn 2 and a half pages)

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