遺傳性非息肉症大腸癌(hereditary nonpolyposis colon cancer-HNPCC)可由hMSH2 或hMLH1 基因變異,而影響下列何種DNA 修復途徑所造成?
錯誤配對修復(mismatch repair)
鹼基切除修復(base excision repair)
核酸切除修復(nucleotide excision repair)
雙股斷裂修復(double strand break repair)