A ________ is a DNA molecule used in hybridization reactions to detect the presence of a particular gene in separated DNA fragments.
A. blot
B. vector
C. probe
D. plasmid
Answer: C
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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.
The most important concept in the field of population genetics is
A. natural selection. B. population size. C. rates of mutation. D. genetic variation. E. phenotypic variation.
The main reason why the numbers of black-footed ferrets decreased rapidly is
a. decreased populations of prairie dogs. b. decreased numbers of whitebark pine berries. c. habitat disruptions. d. hunting
Since men produce millions of sperm, but women produce only one oocyte per cycle, in the vast majority of cases infertility is due to a problem with the woman.
Answer the following statement true (T) or false (F)