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Suppose That Mr

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Suppose that Mr. Yipol gives 100 students a reading exam. He then selects the five students with the highest scores for a special reading program. At the end of the reading program, he administers the same reading exam again. To Mr. Yipol's astonishment, though, the students actually perform worse this time. While it might well be the case that the reading program actually negatively impacted the students' reading ability, Mr. Yipol would be wise to consider that the decrease could be due to ____.


Definitions:

Homozygosity

Homozygosity is a genetic condition in which an individual has two identical alleles for a particular gene or genes.

Allele Frequencies

A measure of how common a particular genetic variant (allele) is within a population's gene pool.

Genetic Stasis

A period or state in which the genetic composition of a population remains relatively unchanged over time.

Polymorphism

The presence of two or more distinct forms (variations) of a gene or trait within a population.

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