Polyploid Hybrids: Multiple Origins of a Treefrog Species

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Presentation transcript:

Polyploid Hybrids: Multiple Origins of a Treefrog Species Robert C. Vrijenhoek  Current Biology  Volume 16, Issue 7, Pages R245-R247 (April 2006) DOI: 10.1016/j.cub.2006.03.005 Copyright © 2006 Elsevier Ltd Terms and Conditions

Figure 1 Evolutionary scenario for multiple hybrid origins of the tetraploid gray treefrog. DNA evidence suggests that ancestry of Hyla versicolor involved genetic contributions from H. chrysoscelis and two diploid progenitors, extinct species A and species B. Tetraploid hybrids involving these species (A X B, A X C and B X C) are hypothesized to have merged reproductively into modern H. versicolor. (Modified from Holloway et al. [6].) Current Biology 2006 16, R245-R247DOI: (10.1016/j.cub.2006.03.005) Copyright © 2006 Elsevier Ltd Terms and Conditions