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- Chromosome mutation A change in the number or arrangement of genes in a chromosome. 染色体突变：生物细胞中染色体数目的增减和结构的改变。
- Arsenic can damage DNA ,inhibit restoring of DNA,cause chromosomal mutation,and i nduce cell apoptosis and methylation. 砷通过直接损伤DNA,抑制DNA修复,引起染色体畸变,诱导细胞凋亡及甲基化等多种途径产生致癌和致畸作用。
- By analyzing altofrequent chromosome mutations, CGH can provide locating information for screening susceptibility genes of cutaneous tumors. 用比较基因组杂交分析皮肤肿瘤高频率的染色体变异,将为相应肿瘤易感基因的筛选提供定位资料。
- Chromosome mutations can occur naturally but their frequency is increased by the effect of x-rays and chemical mutagens. 染色体的突变是自然发生的，但通过X射线或化学诱变剂可以增加突变的频率。
- Keywords refuse leachate;Vicia faba roottip cells;mitotic index;micronucleus frequency;chromosome mutation frequency; 垃圾渗出液;蚕豆根尖细胞;有丝分裂指数;微核率;染色体畸变率;
- Keywords sewage;aluminums sulfate;pea root-tip cells;mitotic index;micronucleus frequency;Chromosome mutation; 污水;硫酸铝;豌豆根尖细胞;有丝分裂指数;微核率;染色体畸变率;
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- The addition, as by mutation, of one or more nucleotides to a chromosome. 染色体突增由于突变而使染色体增加一个或多个核苷酸
- The addition,as by mutation,of one or more nucleotides to a chromosome. 染色体突增由于突变而使染色体增加一个或多个核苷酸
- The position that a given gene occupies on a chromosome. 基因座在一条染色体上某种给定基因所占的位置
- The loss,as through mutation,of one or more nucleotides from a chromosome. 缺失，中间缺失由于变异等原因导致染色体中一个或多个核苷酸的缺失
- The loss, as through mutation, of one or more nucleotides from a chromosome. 缺失，中间缺失由于变异等原因导致染色体中一个或多个核苷酸的缺失
- secondary chromosome mutation 次级染色体突变
- A chromosome composed primarily of heterochromatin. 异染色体主要由异染色质组成的染色体
- Formation or development of a mutation. 变异的形成或者发展
- Chromosome 5 is distinguished by a proximal knob. 第5染色体的特点是有一个近侧的节结。
- To undergo or cause to undergo mutation. 经历变化或使经历变化
- Several copies of specific chromosome are present. 特殊染色体存在着几个拷贝。
- Genome A complete haploid chromosome set. 基因组：即一套完整的单倍体染色体。
- Mutation are produced by a number of chemicals. 许多化学试剂能产生突变。
