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Introgressive Hybridization and Nonconcordant Evolutionary History of Maternal and Paternal Lineages in North American Deer

James C. Cathey, John W. Bickham and John C. Patton
Evolution
Vol. 52, No. 4 (Aug., 1998), pp. 1224-1229
DOI: 10.2307/2411253
Stable URL: http://www.jstor.org/stable/2411253
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Introgressive Hybridization and Nonconcordant Evolutionary History of Maternal and Paternal Lineages in North American Deer
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Abstract

Introgressive hybridization between mule deer (Odocoileus hemionus) and white-tailed deer (O. virginianus) was studied using sequence analysis of the paternally inherited, Y-linked, Zfy gene. The distribution of Zfy genotypes indicate that male white-tailed deer disperse into the range of mule deer and successfully breed with mule deer does. In western Texas, F1 hybrids are rare, but a relatively high proportion of backcross individuals was observed. Phylogenetic analysis of Zfy among white-tailed, mule, and black-tailed deer was consistent with traditional systematic placement of the latter two being sister-taxa, whereas previous mtDNA studies suggested mule and white-tailed deer were sister taxa.

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