Researchers have suggested that IQ is inherited and that about_______percent of the variance in IQ is due to genetic makeup.
Correct answer: A. 50%
- A. 50%
- B. 70%
- C. 10%
- D. 25%
Explanation
Many classic estimates place the genetic contribution to IQ variance at about 50%, although the figure can vary across populations, ages, and environments. Heritability is a population statistic and does not mean that half of one person’s intelligence is genetically fixed.
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