Abstract
The chromosomes in both somatic and germ-line cells of the sand rat (Psammomys obesus) were studied. The diploid number of chromosomes was 48. The autosomes consisted of 4 pairs of large metacentric chromosomes, 10 pairs of medium to small metacentric and submetacentric chromosomes and 9 pairs of telocentric chromosomes. The X chromosomes in both sexes were the largest of the entire complement. The Y chromosome was a mediumsized metacentric chromosome. The two X chromosomes in the female cells were similar in size and morphology but differed in the DNA replication pattern. Studies of the meiotic chromosomes in the male germ-line cells revealed 23 autosome bivalents and the sex chromosomes either as an XY bivalent or X and Y univalents.
| Original language | English |
|---|---|
| Pages (from-to) | 361-365 |
| Number of pages | 5 |
| Journal | Diabetologia |
| Volume | 6 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Jun 1 1970 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- autoradiography
- cytogenetics
- diabetes
- karyotype
- meiotic cromosomes
- mitotic chromosomes
- Psammomys obesus
- Sand rat
ASJC Scopus subject areas
- Internal Medicine
- Endocrinology, Diabetes and Metabolism
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