Metaphase I centromere co-orientation in interchange heterozygotes of pearl millet

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9 Scopus citations


Using interchanges T(1, 3) and T(3, 6) of Pennisetum americanum orientation types of the interchange multiple at MI were studied in different genetic backgrounds. Orientation types alternate 1 and alternate 2, in addition to adjacent 1, adjacent 2 and indefinite could be identified for both the interchanges. The relative frequencies of various orientation types were influenced by a change in the genetic background. For these interchanges, homologous centromeres do not seem to play a predominant role in the co-orientation of interchange multiple. The non-homologous co-orientation types were more subjected to genetic regulation than the homologous co-orientations.

Original languageEnglish (US)
Pages (from-to)69-76
Number of pages8
JournalGenetical Research
Issue number1
StatePublished - Aug 1979

ASJC Scopus subject areas

  • Genetics


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