When a genetic variant exists in greater than 1% of the population, it is considered a
a. genetic mutation. c. genetic deletion.
b. genetic polymorphism. d. tandem repeat.
B
When a genetic variant occurs frequently and is present in 1% or more of the population, it is described as a genetic polymorphism. The term genetic mutation refers to a change in the DNA genetic sequence that can be inherited that occurs in less than 1% of the population. Genetic material in the chromosome can also be deleted and new information from another chromosome can be inserted or can be a tandem repeat (multiple repeats of the same sequence).
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