Alleles occur in pairs, and when gametes are formed only one of each pair of alleles is present in the sex cell. This allows __________ to operate
A. Wallace's principle of segregation
B. Darwin's principle of adaptation
C. Mendel's principle of independent assortment
D. Lamarck's law of gamete formation
Answer: C
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Anthropologists once thought that domestication would happen almost automatically once people gained sufficient knowledge of plants and animals and their reproductive habits to figure out how to make domestication work. They now know that
A. they were correct, thanks to recently uncovered evidence in Chile. B. aside from this knowledge, an emerging state is necessary for domestication to occur. C. some other trigger is needed to start and sustain the process of domestication. D. the will to overcome a lazy lifestyle is even more important than such knowledge. E. aside from this knowledge, domestication requires the invention of the wheel.
A fission-fusion society is characterized by:
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a. True b. False