“The heritability estimate for IQ is .50". On the basis of this statement, which of the following can be concluded?

Question

Answer

IQ cannot be modified because it is strongly determined by genetic factors

Answer

50% of an individual’s genes are responsible for IQ

Answer

the IQ of an individual can be accurately predicted from DNA roughly 50% of the time

Answer

50% of the variation in a population in IQ is due to genetic factors

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