| 1. | A locus is the "location" of a gene along a chromosome .
位点是基因在染色体的位置。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | The eight chromosomes were randomly distributed at metaphase i .
在中期8对染色体的分布是无秩序的。 |
| 5. | Each of the 46 chromosomes is a member of a homologous pair .
46条染色体的每一条都是一个同源对的成员。 |
| 6. | A polyploid is a plant with more than two complete sets of chromosomes .
多倍体是具有两套以上染色体的植物。 |
| 7. | Each daughter cell must receive an exact copy of each and every chromosome .
每个子细胞必须获得每个染色体的精确复本。 |
| 8. | A segment of the chromosome may become lost, resulting in a deletion .
染色体的一个片段可能会丢失，结果产生染色体的缺失。 |
| 9. | Absence of one chromosome of a pair is called monosomy for that chromosome .
一对染色体中缺少了一条染色体就称为该染色体的单体。 |
| 10. | Sax found average chiasma frequencies of 2.3 to 2.5 per bivalent in pines and larches .
Sax发现松树和落叶松每条二价染色体的平均交叉频率是2.32.5。 |
