Wiktionary
obligate carrier
n. (context genetics English) An individual who may be clinically unaffected but who must carry a gene mutation based on analysis of the family history; this usually applies to disorders inherited in an autosomal recessive and X-linked recessive manner.
Wikipedia
Obligate carrier
An obligate carrier is an individual who may be clinically unaffected but who must carry a gene mutation based on analysis of the family history; usually applies to disorders inherited in an autosomal recessive and X-linked recessive manner.