chromosomes

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.

Maligrant segregants may, therefore, arise when complementing chromosomes are lost.

因此当互补染色体丢失时, 就会产生恶性分离子.

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.

We can refer to these duplicated chromosomes as making up a doublet.

我们称这些复制的染色体为双体.

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.

It is possible to transplant chromosomes in cell nuclei.

移植细胞核内的染色体是可能的.

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.

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.

Chromosomes also determine the sex of animals.

染色体也决定动物的性别.

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.

Each of four chromosomes divide longitudinally.

四种染色体的每一种都沿着纵向分裂.

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。

These chromosomes are so simple that some geneticists prefer to call them chromonemes.

这些染色体结构简单,许多遗传学家喜欢称它们为染色丝.

Cross-overs have occurred independently of each other between pair of homologous chromosomes.

交换现象独立地在每一对同源染色体之间发生.

Histones are a group of proteins that are associated with chromosomes.

组蛋白是一类结合在染色体上的蛋白质.