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Revision as of 15:32, 10 February 2025
Drift is a term used in various fields of study, including genetics, physics, and finance. In the context of genetics, genetic drift is a mechanism of evolution that causes random changes in population allele frequencies. In physics, drift refers to the slow movement of particles caused by random thermal motion. In finance, drift refers to the tendency of a stock's price to move in one direction over time.
Genetics
In genetics, drift or genetic drift is a process that influences the genetic makeup of a population. It is an evolutionary force that can cause significant changes in allele frequencies over time, particularly in small populations. Genetic drift occurs as a result of random sampling errors that occur when populations reproduce. This can lead to the loss of genetic variation within populations and the fixation of certain alleles.
Physics
In physics, drift refers to the slow, random motion of particles, often caused by thermal motion. This is often observed in gases and liquids, where particles are free to move and collide with each other. Drift can also refer to the movement of charged particles in an electric field, known as drift velocity.
Finance
In finance, drift refers to the tendency of a stock's price to move in one direction over time. This is often due to underlying factors such as the company's earnings growth or changes in the broader economy. Drift can be positive or negative, and is often used in financial modeling to predict future stock prices.
