A random change in allele frequency over time that is brought about by chance alone is known as ____.
A) genetic drift
B) gene flow
C) natural selection
D) disruptive selection
E) balanced polymorphism

Question

​A random change in allele frequency over time that is brought about by chance alone is known as ____.
A) ​genetic drift
B) ​gene flow
C) ​natural selection
D) ​disruptive selection
E) ​balanced polymorphism

Quizplus · Accepted Answer

Genetic drift is a mechanism of evolution that refers to random fluctuations in the frequencies of alleles within a population over time. These changes are not due to natural selection but occur by chance alone, especially in small populations.

​A Random Change in Allele Frequency Over Time That Is

A Random Change in Allele Frequency Over Time That Is