Homologous Recombination Repair Biallelic Inactivation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** The presence of mutations in both alleles of a gene involved in homologous recombination-type DNA repair that lead to defects in DNA repair pathways.

**Synonyms:** - HHR Biallelic Inactivation - HRR Biallelic Inactivation - Homologous Recombination Pathway Biallelic Inactivation - Recombination Repair Biallelic Inactivation