英语释义

1. densely staining chromatin that appears as nodules in or along chromosomes and contains relatively few genes

片语

heterochromatin differentiation异染色质分化

constitutive heterochromatin[遗] 组成型异染色质；结构异染色质

centromeric heterochromatin[遗]

facultative heterochromatin[细胞] 兼性异染色质

heterochromatin region异染色质区

repressed heterochromatin受阻遏异染色质

heterochromatin banding异染色质带

facutative heterochromatin兼性异染色质

prochromocentric heterochromatin前染色中心的异染色质

英汉例句

• the results suggest that the y chromosome heterochromatin appears to have a modifying effect on the phenotypic relationship between morphophysiological traits during human ontogenesis.

  结果表明，y染色体异染色质可能在人的个体发育过程中对形态生理学性状间的表型关系起一种修饰作用。

• the c - banded karyotypes in breeds indicated that the polymorphisms were distinct for constitutive heterochromatin of breeds.

  两品种的c带显示，其结构异染质的多态性在品种间表现明显差异。

• p53 protein was observed not only in the nuclei associated with heterochromatin but also in the cytosol.

  p53主要位于细胞核异染色质上，胞浆中也有存在；

• as always, nucleoli and nuclear heterochromatin stain darkly with hematoxylin.

  总之，核仁与细胞核中 的异 染色质被苏木精染成深色。

• so we concluded that the heterochromatin of x and y was homologous.

  由此我们可以确认，x、y染色体的异染色质是同源的。

• the origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery .

  如此大量的结构异染色质的来源及其在染色体组型进化和物种形成中的任务仍是一个谜。

• the molecular mechanism of ois is associated with the formation of heterochromatin and dna-damage check-point response.

  它的发生机制与异染色质的形成以及dna损伤检测点反应的作用相关。

• it is presumed that the repeated dna sequences of the heterochromatin near the secondary constriction might be formed gradually in the process of evolution through unequal sces.

  推测副缢痕附近异染色质的dna重复序列可能是在进化过程中通过染色单体不均等交换而逐渐形成。

• the paper has summarized development of biochemical component and ultrastructure of heterochromatin in eukaryote with an introduction to the development of ultrastructure in centromere.

  概述了异染色质生化组成及其在超微结构方面的研究进展，着重介绍了着丝粒的异染色质超微结构研究。

• what other functions abundant heterochromatin may perform are still an open question.

  至于大量的异染色质还有什么作用仍然是一个问题。

• by contrast, heterochromatin is dense and contains relatiely few genes; most of the dna in heterochromatin, including numerous short repeated sequences, does not code for proteins.

  而异染色质结构致密，所含基因很少，其中的大部份dna，包括大量的短的重复序列，并不编码蛋白质。

• objective:to analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.

  目的分析疑有染色体异常个体的9号染色体异染色质区的变异。

• heterochromatin is dynamically regulated during the cell cycle and in response to developmental signals.

  在细胞周期中，异染色质会被进行动态的调节，以响应发育信号。

• heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.

  质大部分是由短而重复的多核苷酸序列所组成的。

• the molecular mechanism of ois is related to the formation of heterochromatin and dna-damage check-point response.

  它的发生机制与异染色质的形成以及dna损伤检测点反应的作用相关。

• c-bands of chromosomes, viz. heterochromatin of 13 cassava germplasms (manihot esculenta) were displayed by the method of dryness and high temperature.

  应用高温干燥法显示13份木薯种质的c-带（即染色体的结构异染色质带的简称）。