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An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism. 诱变剂有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素
Conclusion Point mutation in STK11 may be chief in Chinese with PJS and the frequency of mutation was fewer than that in previous reports. 结论 STK11基因在中国人PJS患者中可能以点突变为主，突变发生率较国外报道低。
In the M2 and M3 generation, the average frequencies of mutation in chionic irradiation had increased by 23% and 70% over the acute irradiation of dry seeds respectively. 慢照射M_2、M_3代的平均突变频率比照射种子的分别高23%25;70%25.;照射配子体阶段M_3代突变频率中;分离穗行占3/4以上
This indicats that gamma ray irradiation can increase the frequency of mutations and produces special types of flower in Godetia grandiflora breeding. 花色变异主要是颜色变浅，甚至变为白色。花瓣变异可由原来的单瓣变为重瓣花。
We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
Recent studies indicate an increased frequency of mutations in the gene encoding glucocerebrosidase (GBA), a deficiency of which causes Gaucher's disease, among patients with Parkinson's disease. 最近的研究表明，在帕金森患者的脑苷脂（GBA）基因编码中突变频率增加。脑苷脂的缺乏可导致高歇氏病。
A frequency of one million megahertz,10000?200Hz. 一百万兆赫(兹)频率，即10000?200赫(兹)。
A frequency of one million megahertz,10 ?12?Hz. 一百万兆赫(兹)频率，即10??12?赫(兹)。
The frequency of aberration by CGH was 60%(12/20). 20例淋巴瘤患者CGH核型异常检出率为60%25。
The frequency of the test tone was 300 Hz. 测试声为300赫。
A frequency of one million megahertz,1012Hz. 一百万兆赫(兹)频率，即1012赫(兹)。
The frequency of EAA is increasing gradually. 避免抗原是治疗的关键,糖皮质激素疗效明显。
an agent,such as ultraviolet light or a radioactive element,that can induce or increase the frequency of mutation in an organism 诱变剂，有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素
P is the frequency of the most common allele. 代表最常见等位基因的频率。
Frequency of opening and closing. 频繁的开启和关闭。
In its popularized form it is considered the art of mutation of metals. 在一般人眼里，这是一门转化金属的艺术。
We try to find a correction to the frequency of waves. 我们试图找出对波的频率的改正量。
Objective To observe and analyze the characteristic of mutation at STR locus. 目的观察与分析常用STR基因座突变的特点。
The chrysalis, in the old man's care, began to show signs of mutation. 老人突然领悟到，原来，幼蝶必须在茧中经过一番痛苦的挣扎和折磨，直到它的翅膀锻炼得足够强壮，依靠自己的力量来破茧而出。
This radio signal has a frequency of 800000 cycles per second. 这个无线电讯号的频率是每秒八百千周。