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Crop Science Abstract -

Chromosome Configuration Changes with Stages of Anther Development in a Triploid Sorghum Plant1


This article in CS

  1. Vol. 9 No. 5, p. 670-672
    Received: Mar 14, 1969

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  1. P. S. Lin and
  2. J. G. Ross2



The homozygous nature of a triploid sorghum plant derived by selfing a haploid afforded the unique opportunity of studying chromosome behavior without the effect of heterozygosity. Frequency of univalents per cell at metaphase I of meiosis was found to increase while frequency of two trivalent types decreased as stage of anther development progressed. At anaphase I and telophase I, laggards per cell likewise increased at later stages of development of the anthers. These observations may be explained by the tendency of univalents to delay metaphase I so freqency of cells containing univalents would increase at later stages of anther development.

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