Suppose That We Find an Example of the Peripheral Isolate

question 19

Essay

Suppose that we find an example of the peripheral isolate model of allopatric speciation in which a species pair results. One species is the progenitor and one is the derivative species. How will these two species differ in geographical distribution, genetic diversity, and allele sharing?

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Definitions:

William Sherman

A Union general during the American Civil War famed for his March to the Sea, significantly impacting the southern Confederate states.

Jim Crow Laws

A set of state and local laws in the United States enacted between the late 19th and early 20th centuries that legalized racial segregation and discrimination against African Americans.

Railroad Companies

Businesses that operate trains for transporting goods and passengers on tracks.

Fifteenth Amendment

An amendment to the US Constitution ratified in 1870, guaranteeing voting rights regardless of "race, color, or previous condition of servitude."