Word · Frequency #18135
alleles
等位基因；对偶基因
alleles is the plural of allele.
核心释义
Either of a pair or series of alternative forms of a gene that occupy the same position on a chromosome and control the same trait.
- 1.
等位基因:占据染色体上特定位置(基因座)的同一基因的多种替代形式之一
One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome.
等位基因:占据染色体上特定位置(基因座)的同一基因的多种替代形式之一；等位基因；对偶基因
用法In use
Each parent passes one allele for eye color to their child.
用法提示：allele 是名词，指一对基因中的一个；此处用单数。
Scientists study how different alleles affect a person's risk of developing certain diseases.
用法提示：这里的 alleles 是 allele 的复数形式，指多个等位基因。
The brown-eye allele is more common in this population than the blue-eye allele.
用法提示：allele 为名词，在句中作主语，指控制特定性状的基因形式。
allele of [gene]
表示‘某个基因的等位基因’时，用 of 连接基因。
An allele of this gene is linked to lactose tolerance.
这个基因的一个等位基因与乳糖耐受有关。
allele for [trait]
for 后接该等位基因所影响的性状或特征。
相关词与表达Connections
搭配Collocations
- dominant allele
- 显性等位基因
- The dominant allele masks the effect of the recessive allele in a heterozygote.在杂合子中，显性等位基因会掩盖隐性等位基因的作用。
- recessive allele
- 隐性等位基因
- A recessive allele only shows its effect when two copies are present.隐性等位基因只有在存在两个拷贝时才会表现出其效应。
- allele frequency
- 等位基因频率
- The allele frequency of the mutation increased over generations.该突变的等位基因频率在几代中增加了。
- mutant allele
- 突变等位基因
- The mutant allele causes a defect in the protein.突变等位基因导致蛋白质出现缺陷。
- wild-type allele
学习提示Learner notes
记忆技巧Memory Tip
allele 发音像‘啊丽儿’，想象一对等位基因如孪生姐妹，占据染色体同一位置，控制同一性状。
语境与语域Context & Register
语域：formal 常见场景：genetics research、medical genetics 该词是遗传学专业术语，多用于学术论文、教科书或医学报告等正式语境，日常口语中很少出现。
发音与拼写Pronunciation & Spelling
These words all rhyme with allele (/əˈliːl/): the stressed vowel and following sounds match (/iːl/). Beware the similar-looking words alley (/ˈæli/), allege (/əˈledʒ/) and ale (/eɪl/), which do not rhyme with allele.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.