allele

UK:  [ə'li:l]

US:  [ə'li:l]

复数：alleles  

n.

1.同位基因

2.【遗】等位基因,对偶基因

1 . Indeed, the only way we could assert that there was a gene in an organism was by finding a mutant allele for it.
事实上，唯一能确定一个生物体内存在某一种基因的方法就是找到这个基因的突变等位基因。

2 . The key to producing good DNA separations is to understand the principles underlying the injection, separation and detection of each allele.
产生高质量的DNA分离效果其关键是了解每个等位基因的注样、分离以及检测中，每个过程的原理。

3 . When an organism is heterozygous for a trait, the resulting phenotype for that trait expresses only the dominant allele .
当一个有机体的一种特性是杂合的，这种特性产生的表现型就只表达显性等位基因额特性。

4 . Children who were homozygous for the Arg16 allele and were exposed to two or more smokers had a 5-fold increased risk of lifetime wheeze.
Arg16等位基因纯合型的孩子同时家中有2个甚至更多的吸烟者的有多5倍的终生喘鸣的风险。

5 . Unless the second jar contains exactly 10 red and 10 blue marbles, there will have been a purely random shift in the allele frequencies.
除非第二瓶正好装有10粒红和10粒蓝的石子，不然就已经出现了等位基因频率的完全随机漂移。