| 1. | A nucleus can have only one y-chromosome . 一个核可以仅有一个Y染色体。 |
| 2. | The chromosomes of eukaryotes are nucleoproteins . 真核细胞的染色体是核蛋白。 |
| 3. | Several copies of specific chromosome are present . 特殊染色体存在着几个拷贝。 |
| 4. | A locus is the "location" of a gene along a chromosome . 位点是基因在染色体的位置。 |
| 5. | Chromosome 5 is distinguished by a proximal knob . 第5染色体的特点是有一个近侧的节结。 |
| 6. | This disorder is inherited as an autosomal dominant trait . 本病作为常染色体显性传递。 |
| 7. | 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。 |
| 8. | Xeroderma pigmentosum is an autosomal recessive disease . 着色性干皮病是一种常染色体的退行性疾病。 |
| 9. | Chromosome breaks may also lead to inversions and translocations . 染色体破裂也可能引起倒位与易位。 |
| 10. | 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。 |