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Biology, 12.06.2020 03:57 ashvinmsingh
If two populations of the same species are separated over long periods of time, they can adapt physically, behaviorally, and possibly biochemically.
Question 1 options:
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Question 2 (1 point)
Natural selection plays a key role in the formation of new species.
Question 2 options:
True
False
Question 3 (1 point)
Isolating populations of the same species geographically can result in the formation of two new species; this is a result of the ability of the species to survive due to differences in the new environment.
Question 3 options:
True
False
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Biology, 22.06.2019 13:00, am2garcia5
14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.
Answers: 2
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Biology, 22.06.2019 13:00, traphard979
Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?
Answers: 1
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