Germline APC Promoter 1B Variant

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A mutation or chromosomal abnormality occurring in the gametes that involves the distal promoter element in the 5' regulatory region of the APC gene.

**Synonyms:** - APC Promoter 1B Germline Variant - Germline APC Gene Promoter 1B Variant