Guanosine to Thymidine Transversion Abnormality

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A point mutation involving the substitution of Thymidine (a pyrimidine base) for Guanosine (a purine base) in a DNA sequence from eukaryotic or prokaryotic organisms. This abnormality can be either heritable or occur somatically.

**Synonyms:** - Guanosine to Thymidine Mutation - Guanosine to Thymidine Transversion