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  • 标题:Giemsa C-Banding and the Evolution of Wheat
  • 本地全文:下载
  • 作者:Bikram S. Gill ; Gordon Kimber
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1974
  • 卷号:71
  • 期号:10
  • 页码:4086-4090
  • DOI:10.1073/pnas.71.10.4086
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:The somatic chromosomes of common wheat, Triticum aestivum L. (2n = 6x = 42), and those of two of its diploid progenitors and T. speltoides, have been individually identified by a Giemsa staining technique. In wheat, telocentric chromosomes were used to aid the recognition of individual chromosomes, and an ideogram has been constructed depicting the C-band positions. There is no similarity in the C-banding of chromosomes within a homoeologous group, with the possible exception of group 5. Comparisons of the C-banding of the diploid species T. monococcum, T. speltoides, and T. tauschii with that of the A, B, and D genomes, respectively, in hexaploid wheat corroborate that T. speltoides could not be the donor of the B genome to wheat and that T. monococcum and T. tauschii are the probable donors of the A and D genomes, respectively.
  • 关键词:polyploid ; chromosomes ; heterochromatin ; genomes
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