Association of nucleolus organizer chromosomes in domestic sheep(Ovis aries) shown by silver staining
作者:
L.M. Henderson,
A.N. Bruère,
期刊:
Cytogenetic and Genome Research
(Karger Available online 1977)
卷期:
Volume 19,
issue 6
页码: 326-334
ISSN:1424-8581
年代: 1977
DOI:10.1159/000130826
出版商: S. Karger AG
数据来源: Karger
摘要:
The nucleolus organizer regions of domestic sheep (Ovis aries), as shown by silver staining, are located terminally on chromosomes 1, 2, 3, 4, and 25. Significant differences between individuals in the number of Ag-NORs per cell were found. The frequency of involvement of individual chromosome pairs in nucleolar organization was found to be a characteristic of individual animals. Association frequencies of individual chromosomes were accounted for by their frequency of participation in nucleolar organization. No evidence for nonrandom association of chromosome pairs was found.
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