Mutation - Definition, Types, Examples and Quiz | Biology . . . In biology, mutations refer to changes in chromosomes and genes, which typically manifest physically The effect of a mutation can depend on the region in which the sequence of genetic material has been changed
Mutation | Definition, Causes, Types, Facts | Britannica mutation, an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be transmitted to the cell’s or the virus’s descendants (The genomes of organisms are all composed of DNA, whereas viral genomes can be of DNA or RNA; see heredity: The physical basis of heredity )
Mutation A mutation is a change in a DNA sequence Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals called mutagens, or infection by viruses
10. 1: Mutations - Causes and Significance - Biology LibreTexts This page discusses DNA mutations in living cells, their types (point mutations, indels, etc ), and diseases associated with them, like sickle cell anemia It highlights the role of mutations in …