In Mendel's experiments, what was the ratio of tall to short plants in the F2 generation?
a. ?3 to 1
b. ?15 to 1
c. ?½ tall, ½ short
d. ?4 to 1
e. ?5 to 1
a
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The human brain accounts for about 2% of the body mass but uses about __________% of the total energy and oxygen consumed by the body
a. 10-15 b. 16-20 c. 18-30 d. 50-74
Totemism refers to the belief that the souls of the dead interact with their living relatives
Indicate whether the statement is true or false
With unilineal descent, sex with cross cousins is proper, but sex with parallel cousins is considered incestuous. Why?
A. Cross cousins are considered closer relatives than all other kin. B. This behavior is a human universal explained by Freud's theory of attempt and contempt. C. Societies with unilineal descent share a gene that impedes them from developing sexual urges for parallel cousins. D. Cross cousins are actually parallel cousins. E. Parallel cousins are considered closer relatives than cross cousins.
A network of people producing and circulating marketable commodities, labor, and services that for various reasons escape government control is called a(n):
a. black market b. informal economy c. prestige economy d. inconspicuous marketplace