nonchromosomal

adjective non·chro·mo·som·al \ˌnän-ˌkrō-mə-ˈsō-məl\

Definition of NONCHROMOSOMAL

: not situated on a chromosome

: not involving chromosomes

1960

Medical Dictionary

adjective non·chro·mo·som·al \ˌnän-ˌkrō-mə-ˈsō-məl\

: not situated on a chromosome <nonchromosomal DNA>

: not involving chromosomes <nonchromosomal mutations>

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