Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Genetic mutations

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

Changes in the nucleotide sequence of thegenetic material (i.e. DNA, or RNA, in the case of viruses), which are usually caused by copying errors during replication that further lead to base substitution, insertion, or deletion of one or more base pairs.


Supplement

Genetic mutations may be triggered by exposure to ultraviolet or ionizing radiation, chemical mutagens, or can occur deliberately under cellular control during processes such as hypermutation.