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Mutations and New Variation: Overview

  1. Mark O Johnston

Published Online: 27 JAN 2006

DOI: 10.1038/npg.els.0004165



How to Cite

Johnston, M. O. 2006. Mutations and New Variation: Overview. eLS. .

Author Information

  1. Dalhousie University, Halifax, Nova Scotia, Canada

Publication History

  1. Published Online: 27 JAN 2006


A mutation is a heritable change in the genetic material that is not due to genetic recombination. Mutation alters the structure or number of genes or entire chromosomes.


  • evolution;
  • selection;
  • variation;
  • human disorders;
  • sex;
  • recombination;
  • self-fertilization;
  • polyploidy;
  • aneuploidy