Genetic diseases, such as Tay-Sachs disease and sickle-cell anemia, are:
A. found with equal frequency in all populations
B. found with equal frequency among peoples of the same skin color
C. often more frequent in some populations than in others
D. found only in populations of small size
C. often more frequent in some populations than in others
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The fact that people who are brought up together on the same kibbutz are uninterested in each other as marriage partners, even when the marriages are favored by their parents, supports which theory of the incest taboo?
A) the cooperation theory B) the childhood-familiarity theory C) the family-disruption theory D) Freud’s Oedipal theory
In a two-input production function, ________ is fixed in the ________.
A) labor; long-run B) capital; long-run C) capital; short-run D) labor; short-run
What strategy do egalitarian societies use to keep one individual from dominating others?
A) cooperation B) threats C) obedience D) ridicule
If a firm is experiencing increasing marginal returns to labor, the firm's production function is ________ at a(n) ________ rate.
A) increasing; decreasing B) increasing; increasing C) decreasing; increasing D) decreasing; decreasing