| 单词 | chromosomal |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔aberration〕Changes in chromosome structure are called chromosomal mutations or aberrations.染色体结构的改变称为染色体突变或畸变。英汉大词典〔acrocentric〕Having the centromere located near one end of the chromosome so that one chromosomal arm is long and the other is short.近端着丝的：着丝粒位于接近染色体一端的，因此染色体一臂长而另一臂短美国传统〔chromosomal〕Tests can determine whether your baby has any chromosomal abnormalities. 通过测试可以确定你的孩子是否有染色体异常。剑桥高阶〔euchromatin〕Chromosomal material that is genetically active and stains lightly with basic dyes.常染色质：具有遗传活性并被碱性染料略为染色的染色质美国传统〔heterochromatin〕Tightly coiled chromosomal material that stains deeply during interphase and is believed to be genetically inactive.异染色质：紧紧盘绕在一起的染色体物质，在分裂期间染色，据信在基因中并不活跃美国传统〔heterozygous〕Having different alleles at one or more corresponding chromosomal loci.杂合的：在一个或更多的相应的染色体基因座上有不同的等位基因的美国传统〔inversion〕Genetics A chromosomal defect in which a segment of the chromosome breaks off and reattaches in the reverse direction.【遗传学】 倒位：一段染色体破裂并且以相反方向重新连接所形成的一种染色体缺陷美国传统〔karyotype〕The characterization of the chromosomal complement of an individual or a species, including number, form, and size of the chromosomes.染色体组型：单个的或一个物种的染色体配对物的特征，包括染色体的数目、形状和大小美国传统〔kinetochore〕Either of two submicroscopic attachment points for chromosomal microtubules, present on each centromere during the process of cell division.着丝点：染色体微管的两个亚微观连接点，在细胞分裂过程中出现在各自的着丝粒上美国传统〔operator〕A chromosomal segment of DNA that regulates the activity of the structural genes of an operon by interacting with a specific repressor.DNA中的染色体元素：DNA中的染色体，它是通过与一特殊的约束因子相互作用而控制遗传子结构基因的行为美国传统〔plasmagene〕A self-replicating hereditary structure thought to exist in cytoplasm and function in a manner analogous to, but independent of, chromosomal genes.细胞质基因：被认为存在在细胞质中，活动方式类似于染色体基因但独立于它的能自我复制的遗传结构美国传统〔sex〕Sex is determined by chromosomal content.性别是由染色体的组成决定的。牛津搭配〔supergene〕A group of closely linked genes occupying a large chromosomal segment and frequently functioning as a genetic unit.超基因：占据一具较大的染色体片断，并且经常以单个基因单位起作用的一组紧密连接的基因美国传统〔translocate〕To transfer (a chromosomal segment) to a new position; cause to undergo translocation.转移：把（一个染色体）转移到另一个新位置；使发生转移作用美国传统〔translocation〕A chromosomal segment that is translocated.被易位的染色体美国传统〔translocation〕A transfer of a chromosomal segment to a new position, especially on a nonhomologous chromosome.染色体易位：一个染色体向一个新位置的易位，尤指移向一个非同源染体美国传统 |
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