Skip to Content
Medical Term:


Pronunciation: myu-ta'shun


  1. A change in the chemistry of a gene that is perpetuated in subsequent divisions of the cell in which it occurs; a change in the sequence of base pairs in the chromosomal molecule.
  2. De Vries, term for the sudden production of a species, as distinguished from variation.

[L. muto, pp. -atus, to change]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.