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汉语拼音：rǎn sè tǐ

细胞有丝分裂时出现的、易被碱性染料着色的丝状或棒状小体。由核酸和蛋白质组成，是遗传的主要物质基础。各种生物染色体有一定的数目、形状和大小。

1. 细胞有丝分裂时出现的、易被碱性染料着色的丝状或棒状小体。由核酸和蛋白质组成，是遗传的主要物质基础。各种生物的染色体有一定的数目、形状和大小。

• Chromosomes also determine the sex of animals.

  染色体也决定动物的性别.

• Each of four chromosomes divide longitudinally.

  四种染色体的每一种都沿着纵向分裂.

• Microscopic examination of a cell's chromo-somes can reveal the sex of the fetus.

  利用显微镜检查细胞染色体可以发现胎儿的性别。

• At this point each chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

  此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.

• The Y chromosome is starting to yield other intriguing tales as well.

  Y染色体开始讲出另一些令人神往的故事.

• Each cell of our bodies contains 46 chromosomes.

  我们人体的每个细胞都包含46个染色体。

• Chromosomes 6 and 7 were both nucleolus organizing chromosomes.

  第6和第7染色体两者是组成核仁的染色体.

• During interphase the chromosomes are too tenuous to be stained.

  在间期中,染色体非常纤细,以致不能被染色.

• It was widely used by cytologists to stain chromosomes.

  它被细胞学家广泛地用来着色染色体.

• This disorder is inherited as an autosomal dominant trait.

  本病作为常染色体显性传递.

• The primary structure of globin moiety is determined by the plant genome.

  球蛋白一半的最初构造决定于植物的染色体组.

• It is possible to transplant chromosomes in cell nuclei.

  移植细胞核内的染色体是可能的.

• Lysogeny is a semi - permanent association between the phage and host chromosomes.

  溶源性是噬菌体和寄生染色体之间的半永久联合.

• Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA.

  tRNA及rRNA同mRNA一样, 都是染色体DNA的转录产物.

• The eight chromosomes were randomly distributed at metaphase I.

  在中期Ⅰ8对染色体的分布是无秩序的.