Skip to main content

3 Result(s)

within O. A. Ryder Remove this filter Evolutionary Biology Remove this filter

and

  1. No Access

    Article

    Chromosomal and molecular evolution in Asiatic wild asses

    Chromosomal studies of Tibetan wild ass,Equus kiang holdereri are reported for the first time. A Robertsonian polymorphism resulting in diploid numbers of 2n=51 and 2n=52 was identified. This polymorphism involve...

    O. A. Ryder, L. G. Chemnick in Genetica (1990)

  2. No Access

    Article

    Comparison of theα-globin gene cluster structure in Perissodactyla

    To investigate molecular evolution in a mammalian order with a comprehensive fossil record, we have constructedα-globin-like gene cluster maps for members of the order Perissodactyla. Although the arrangement of ...

    J. Flint, O. A. Ryder, J. B. Clegg in Journal of Molecular Evolution (1990)

  3. No Access

    Article

    Distribution of silver-stained nucleolus-organizing regions in the chromosomes of the Equidae

    The distribution of silver-stained nucleolus-organizing regions (NORs) in fibroblast chromosomes from all seven extant species of Equidae are described. There are variations in the number and locations of silv...

    I. K. Gadi, O. A. Ryder in Genetica (1983)