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- In the breeding of BALB/cA mice homozygous for a null mutation of the biglycan gene, we obsered that 50% of biglycan-deficient male mice died suddenly within the first 3 months of life. 在鼠两耳交替响度平衡试验培育中，二聚糖基因无效突变的纯合子，我门观察到50%25的二聚糖基因雄性鼠在3个月突然死亡。
- The genetic background on which the null mutations are expressed is a major determinant for alcohol tolerance of the heterozygous adult flies. 无效突变表达的遗传背景是杂合果蝇醇耐受性的主要决定因素。
- Gene duplication is one of the most important factors that influence the evolution of genome size, the origination of novel gene, the genetic robustness against null mutations, the speciation, etc. 摘要基因重复是基因通过不等交换、逆转录转座或全基因组重复等途径产生一个与原基因相似的基因或碱基序列。
- Keywords stria vascularis,potassium channel,null mutation,mouse,transepithelial potential,potassium secretion; 血管纹;基因敲除;钾离子通道;耳蜗内电位;钾离子浓度;
- The state or quality of being null. 无效无效的状况或性质
- Our teacher has mutation of sounds suddenly. 我们的老师突然语音发生了变化。
- The act of making null and void. 废除使 ... 作废和无效
- null mutation 无效突变
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- The marriage was declared null and void. 婚姻已宣告无效了。
- Formation or development of a mutation. 变异的形成或者发展
- To undergo or cause to undergo mutation. 经历变化或使经历变化
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- A null reference pointer was passed to the stub. 向占位程序传送了空的索引指针。
- Mutation are produced by a number of chemicals. 许多化学试剂能产生突变。
- The agreement was declared null and void. 这个协议被宣布无效。
- A promise obtained by force is legally null. 一个以武力获得的契约在法律上是无效的。
- What matter is not innovation, but useful mutation? 二.;任何领域都可以创新三
- The operator O is the null operator. 算符O是零算符。
