ISSN:
1432-2242
Keywords:
Nucleolus organizers
;
In situ hybridisation
;
Diploid wheats
;
Ribosomal RNA genes
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Summary Labelled RNA, transcribed in vitro from wheat ribosomal DNA cloned in a bacterial plasmid, has been hybridised to metaphase chromosomes of five diploid wheats. Autoradiography of the chromosomes has provided unequivocal evidence that these genotypes possess two pairs of nucleolus organizer chromosomes. The diploid wheat accessions used possess widely differing numbers of ribosomal RNA genes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00263097
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