Genetic Variation

An introduction to randomness and the neutral theory of molecular evolution and how it contributes to levels of genetic diversity in populations. The estimation of random shifts in allele frequencies over time is discussed using the binomial probability distribution. This chapter visualizes how different initial allele frequencies relate to their probability of being fixed in a population when only drift is acting. The outputs of multiple simulations of a population undergoing random increase and decrease in allele frequencies per generation are built, run, and visualized. The fixation index (F) is introduced to quantify the loss of genetic variance over time.

• Publication year

  2020

• Venue

  Population Genetics with R

• Publication date

  2020-02-02

• Fields of study

  Not labeled

• Identifiers
  DOI 10.32388/6bvjk2
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• No references are available for this paper.

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