This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
All are diseases of defective DNA repair except 
Select and explain. 
A. Severe combined immunodeficiency disease, B. Adenosis polyposis coli, C. Bloom syndrome, D. Breast cancer susceptibility 1 (BRCA 1)
B: Adenosis polyposis coli
Answer: B: Adenosis polyposis coli 
Explanation: Human Diseases of DNA Damage Repair Repair Defective Nonhomologous End Joining Repair (NHEJ) Severe combined immunodeficiency disease (SCID) Radiation sensitive severe combined immunodeficiency disease (RS-SCID) Defective Homologous Repair (HR) AT -like disorder (AT LD) Nijmegen breakage syndrome (NBS) Bloom syndrome (BS) Werner syndrome (WS) Rothmund-Thomson syndrome ( S) Breast cancer susceptibility 1 and 2 (BRCA1, BRCA2) Defective DNA Nucleotide Exicision Repair (NER) Xeroderma pigmentosum (XP) Cockayne syndrome (CS) Trichothiodystrophy (TT D) Defective DNA Base Excision Repair (BER) MUTYH-associated polyposis (MAP) Defective DNA Mismatch Repair (MMR) Hereditary nonpolyposis colorectal cancer (HNPCC) Harper30e pg: 390