chromosomal mutation

1. These results suggest that the drug resistance to these antibiotics mainly results from chromosomal mutation of Vp strains.
   表明分离菌株的耐药性主要是由于细菌染色体相关基因突变造成的。
2. Relationship between chromosomal aberration of germ cells and dominant lethal mutation in male mice after low dosage of X-irradiation
   小剂量X射线诱发雄性小鼠生殖细胞染色体畸变与显性致死间关系
3. The relationship between chromosomal aberration and dominant mutation in spermatocytes of late pachytene phase in male mice after a single X-irridiation was reported.
   本文报道了小剂量（0～1.0Gy）x射线单次全身照射雄性小白鼠诱发的精母细胞晚粗线期染色体畸变与显性致死间关系。
4. The rate of chromosomal mutation was positively related with W-SC.
   染色体畸变率与单核细胞呈正相关；
5. Preventive effects green tea on chromosomal mutation induced by aluminum potassium sulfate or cyclophosphamide
   绿茶预防铝钾矾、环磷酰胺诱发染色体突变的研究
6. A clinical research on the SCE and chromosomal mutation of osteosarcoma and giant cell tumor
   骨肉瘤、骨巨细胞瘤姊妹染色体互换的临床研究
7. The relationships between lymphocyte SCE as well as chromosomal mutation and diagnosis, pathology and prognosis of bone tumor are studied by detecting lymphocyte SCE and chromosomal mutation rate in the patients with osteosarcoma and giant cell tumor.
   作者对骨肉瘤和骨巨细胞瘤患者淋巴细胞姊妹染色体互换（SCE）值进行了研究，探讨了SCE检测技术在骨肿瘤临床诊断和病理学及预后的关系。
8. The Ames test, Erythrocyte micronucleus assay, Spermatogonial chromosomal aberrations test and In vitro mammalian cell gene mutation test were used.
   采用鼠伤寒沙门氏菌回复突变试验（Ames试验）、小鼠骨髓多染红细胞微核试验、小鼠睾丸精母细胞染色体畸变试验、V79细胞基因突变试验来检测有无致突变作用。
9. Data suggests that cytogenetics, molecular defects and gene mutation are closely related to the progression and prognosis of MDS. Chromosomal abnormality and important gene mutation are commonly found in MDS patients.
   资料显示，细胞遗传学和分子缺陷以及基因突变与MDS的疾病进展及预后密切相关，不少MDS患者可发现有染色体异常和关键基因的突变。

noun

1. (genetics) any event that changes genetic structure

   Synonym:    mutationgenetic mutation