A compound that suppresses the effects of mutation or suppresses what would be a normal course of events.
- amber s. a mutant gene that codes for a tRNA whose anticodon has been altered so that the altered tRNA responds to UAG codons as well.
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sup·pres·sor -'pres-ər n one that suppresses esp a mutant gene that suppresses the expression of another nonallelic mutant gene when both are present
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sup·pres·sor (sə-presґər) that which holds back or inhibits.Medical dictionary. 2011.