Gene Sleuths Find How Some Naturally Resist Cholera by Nicholas Wade. The New York Times. July 3, 2013.
Read the article and test your recall with a quiz.
(1) Identifying the genes that provide natural resistance to cholera will help the ______________________________.
(2) The immunity of people living in the Ganges Delta to cholera is provided by variations in _____________ genes.
(3) Why can researchers draw the conclusion that evolution has continued to mold human populations in the recent past?
(4) How does diarrhea benefit cholera?
(5) How can the selected genes provide a road map to the body's defense against cholera?
(6) From the evolutionary point of view how is immunity to cholera related to immunity against arsenic?
(7) The case of immunity to cholera and arsenic may provide support for the impression that the human genome has been shaped by _____________________.
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