The FMR-1 gene mutation and Xq27.3 fragile site among 233 non-specific mentally retarded children were investigated in our genetic counseling department and two special educational schools by PCR, Southern Blot hybridization and cytogenetic methods.
英
美
- 采用PCR、Southern Blot印跡雜交及細胞遺傳學(xué)方法；對233名原發(fā)性智力低下患兒進(jìn)行了FMR-1基因的突變分析和Xq27.；3脆性位點(diǎn)檢查。
