题目内容

Herbert W. Boyer and Stanley Cohen created the first genetically modified organism (E. coli) in ______.

A. 1965
B. 1970
C. 1973
D. 1976

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In ______, Rudolf Jaenisch of MIT created the first GM animal (mice).

A. 1968
B. 1972
C. 1974
D. 1978

Humans have domesticated plants and animals since around ________ BCE.

A. 18,000
B. 15,000
C. 12,000
D. 10,000

In ______, Paul Berg (1926-) at Stanford University created the first recombinant DNA molecule from different organisms. In conjunction with his studies of the tumor virus SV40, Berg succeeded in inserting DNA from a bacterium into the virus’ DNA. In 1980, Berg received a Nobel Prize in chemistry for this work.

A. 1960
B. 1964
C. 1968
D. 1972

In ______, the first genetically engineered plant was developed by Michael W. Bevan, Richard B. Flavell, and Mary-Dell Chilton.

A. 1975
B. 1978
C. 1981
D. 1983

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