The sequence organization of bovine DNA |
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| Authors: | John E. Mayfield Julie F. McKenna Bruce S. Lessa |
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| Affiliation: | (1) Department of Zoology, Iowa State University, 50011 Ames, Iowa, USA;(2) Department of Biological Sciences, Carnegie-Mellon University, 15213 Pittsburgh, Pennsylvania, USA;(3) Present address: Office Products Division, I.B.M. Corporation, 40511 Lexington, Kentucky, USA |
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| Abstract: | The organization of repetitive DNA sequences has been investigated in bovine DNA. Repetitive sequences of all kinds constitute 25% to 30% of the total. Five density satellites constitute about 20% of the genome, and most of the remainder consists of alternating repeating and nonrepeating sequences. The nonrepeating sequences have a very broad size distribution averaging 4,000 nucleotide pairs in length, with the longest exceeding 10,000 nucleotide pairs. The interspersed repetitive sequences are much more nearly homogeneous in size, averaging 350 nucleotide pairs in length, and are divided into 8 to 14 sequence families. |
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