A group of six students has taken samples of their own cheek cells, purified the DNA, and used a restriction enzyme known to cut at zero, one, or two sites in a particular gene of interest. Analysis of the data obtained shows that two students each have two fragments, two students each have three fragments, and two students each have one only. What does this demonstrate?
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Biology, 21.06.2019 23:30
Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
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Can a trait be both polygenic and have multiple alleles? explain why or why not.
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Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
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A group of six students has taken samples of their own cheek cells, purified the DNA, and used a res...
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