Chromosome variations in human evolution
β Scribed by Faed, Michael
- Publisher
- Springer
- Year
- 1978
- Tongue
- English
- Weight
- 62 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0018-2214
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In a study of the possible relationship between human fragile sites, chromosomal rearrangements related to neoplasia, and chromosome regions involved in evolutionary changes, we have found that 17 fragile sites related to cancer, 15 fragile sites not related to cancer, and 17 non-fragile regions als
A woman was found to have 42 autosomes due to engagement of both chromosomes 14 in Robertsonian rearrangements, one with a chromosome 21 and the other with a chromosome 22: t(14q21q) and t(14q22q). The two translocations appear monocentric and by silver staining have no rRNA activity. The t(14q21q)
An unusual large heterochromatic segment around the pericentromeric region of the X-chromosome is reported. In normal circumstances, the pericentromeric region of the X-chromosome is negative by the restriction endonuclease AluI/Giemsa technique. However, this unusual X-chromosome was found to have