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    • Theophilus Shickel Painter (1889-1969) 

      Haskett, Dorothy (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2014-11-22)
      Theophilus Shickel Painter studied the structure and function of chromosomes in the US during in the early to mid-twentieth century. Painter worked at the University of Texas at Austin in Austin, Texas. In the 1920s and ...
    • The Y-Chromosome in Animals 

      Haskett, Dorothy R. (Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2015-05-28)
      The Y-chromosome is one of a pair of chromosomes that determine the genetic sex of individuals in mammals, some insects, and some plants. In the nineteenth and twentieth centuries, the development of new microscopic and ...