hypomorph

noun
hy·​po·​morph | \ ˈhī-pə-ˌmȯrf How to pronounce hypomorph (audio) \

Medical Definition of hypomorph

: a mutant gene having a similar but weaker effect than the corresponding wild-type gene

Other Words from hypomorph

hypomorphic \ ˌhī-​pə-​ˈmȯr-​fik How to pronounce hypomorphic (audio) \ adjective