Now showing items 1-1 of 1

    • The multiple sex chromosomes of platypus and echidna are not completely identical and several share homology with the avian Z 

      Rens, Willem; O'Brien, Patricia C. M.; Grutzner, Frank; Clarke, Oliver; Graphodatskaya, Daria; Tsend-Ayush, Enkhjargal; Trifonov, Vladimir A. et al. (2007-11-16)
      Abstract Background Sex-determining systems have evolved independently in vertebrates. Placental mammals and marsupials have an XY system, birds have a ZW system. Reptiles and amphibians have different systems, including ...