Biology, 09.08.2019 19:20 akornegay2
What is the main difference between dispersal and vicariance?
one leads to allopatric speciation, whereas the other leads to sympatric speciation.
one involves the movement of the organism, and the other involves a change in the environment.
one depends on a genetic mutation occurring, and the other does not.
one involves closely related organisms, and the other involves only individuals of the same species.
Answers: 2
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
What is the main difference between dispersal and vicariance?
one leads to allopatric speciat...
one leads to allopatric speciat...
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