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What is meant by “survival of the fittest” and how does itrelate to evolution? Are these two concepts the same or different?Justify your answer and be sure to define both conceptsadequately.

Define and compare natural and artificial selection, includingthe source of selection pressure and the traits selected for.Provide a specific example of each.

What is speciation in general? Briefly describe the differencebetween allopatric speciation and sympatric speciation. Be sure toinclude under what sort of conditions each type might occur.

Huntington's disease is a dominant disorder that causesprogressive deterioration of brain cells and eventually death. Eventhough this is a fatal disease and a dominant one, it has persistedin the human population. Explain the reason that Huntington's hasnot been eliminated. (You will have to look up information on thedisease paying special attention to the age at which it isexpressed. It is important to understand the significance ofthis.)

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Lelia Lubowitz
Lelia LubowitzLv2
28 Sep 2019

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