obligate carrier
an individual who may be clinically unaffected but who must carry a gene mutation based on analysis of the family history
en-GB/ˈɒblɪɡeɪt ˈkæɹɪə/
en-US/ˈɑbləˌɡeɪt ˈkɛɹiɚ/
an individual who may be clinically unaffected but who must carry a gene mutation based on analysis of the family history