The Heritability Coefficient for Smoking Is Around

question 151

Multiple Choice

The heritability coefficient for smoking is around + .50 in a particular group. This means that

• A)the observed variation in smoking is equally due to both genes and the environment
• B)the observed variation in smoking is due mostly to genes
• C)the observed variation in smoking is due mostly to the environment
• D)smoking is genetically inherited
• E)there was little variation in smoking within the group

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