1. (

• mutant ,
• mutation ,
• variation ,
• sport ,

) (biology) an organism that has characteristics resulting from chromosomal alteration ;

2. (

• mutation ,
• genetic_mutation ,
• chromosomal_mutation

) (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism ;

3. (

• mutation ,

) a change or alteration in form or qualities ;