Which of the following is true regarding the study of the heritability of intelligence?
A) The study of intelligence and its heritability is only a few decades old.
B) The study of heritability has not changed very much over the last 50 years.
C) The study of intelligence and its heritability is over a hundred years old.
D) Modern research on the heredity focuses almost exclusively on ethnicity.
Answer: C
Rationale: Research on the heritability of intelligence goes back at least to Galton in the 1860s, although recent scientific advances, such as the Human Genome Project have had a profound impact on the field.
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