During the 1970s and 1980s more than __________ of the American population suffered declines in standards of living because of inflation and job loss
a. 10%
b. 30%
c. 50%
d. 80%
c
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At a hypothetical locus, a man's genotype is Aa. What proportion of his gametes would be expected to receive the A allele?
a. All b. ½ c. ¾ d. ¼ e. None
The scene in which the Mujahideen share their food with Koverchenko is an example of
A. Badal B. Nanawatai C. Melmastia D. All of the above
Most bands and tribal groups in the world today are isolated from other human societies
Indicate whether the statement is true or false.
What genetic difference has been found between humans and chimpanzees that is likely responsible for the human capability for speech?
A. A mutation in the FOXP2 gene B. A mutation in the microcephalin gene C. A mutation in the hyoid D. A mutation in the lungs E. A mutation in the tongue