H. J. Muller won the Nobel Prize in 1946 for his research
A) on human blood groups
B) on chemical mutations in gold fish
C) mapping the double-helix structure of DNA
D) X-ray -induced mutations in fruit flies
E) mapping the genes of the fruit flies
D
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Members of the genus Homo only appeared in the last ___________ of the Cenozoic era
a. 50,000 years b. 700,000 years c. 2.5 million years d. 3.4 million years
What is the system of exchange among American Indians that involves a competitive giveaway in order to attain social status and distribute goods?
What will be an ideal response?
Who is most likely to exert authority over a child among the Trobriand Islanders?
a. child's father b. child's mother c. child's maternal uncle d. child's maternal aunt
Au. anamensis is best described as
A. being bipedal with large canines. B. having lived 2 m.y.a. C. being bipedal with a large brain. D. capable of making the first stone tools. E. having lived in southern Africa.