In just over a decade of efforts, the World Health Organization (WHO) eradicated smallpox by using worldwide
A) education campaigns.
B) destruction of infected domestic animals.
C) education campaigns and destruction of infected domestic animals.
D) vaccination programs.
Answer: D
Biology & Microbiology
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Polyploid plants are often unhealthy compared to diploid plants
a. True b. False
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The first known sketches of human chromosomes were drawn in
A) 1776. B) 1814. C) 1882. D) 1951.
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The sex chromosome composition of a person with
Turner syndrome is a. XXX. b. XO. c. XXY. d. XYY. e. none of these.
Biology & Microbiology
Primary infection with Epstein-Barr virus is known as
A) infectious mononucleosis. B) Burkitt's lymphoma. C) Hodgkin's lymphoma. D) chronic fatigue syndrome. E) oral hairy leukoplakia.
Biology & Microbiology