Heritability estimates are calculated by ______.
A. comparing the similarity of monozygotic and dizygotic twins
B. correlating the presence of specific genes with traits in a population
C. manipulating the social environment in which dizygotic twins are raised
D. administering hormones to one twin in a monozygotic pair
A. comparing the similarity of monozygotic and dizygotic twins
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During what years did the Berlin Wall, the most prominent symbol of the Cold War, divide East and West Berlin?
a. 1947–2000 b. 1961–1989 c. 1945–1975 d. 1948–1992
The Summas of Christian philosophy were written by ________
A) Roger Bacon B) Ibn-Rushd C) Bernard of Clairvaux D) Thomas Aquinas
What previous industries made Detroit a perfect fit for automobile making:
A: stoves B: ships and marine engines C: railroad wheels and axles D: all of the above
During the 1840s, most northern whites would have agreed with which of the following statements?
a. The issue of slavery should be resolved with a constitutional amendment. b. There is no legal or desirable way to end slavery in the southern states. c. Slavery and racial discrimination are mortal sins. d. Most southern plantation owners are good and decent people.