Schlarbaum, Scott E. .
Cytogenetic Systems, Systematics, and Evolutionary Potential in Conifers.
Ascending and descending dysploidy has been a common interpretation of differences in basic chromosome numbers of extant coniferous families. In reality, there are differences among families for the capacity of cytogenetic evolution that was apparently reached long ago. Some families have been intolerant to numeric change, while other families tolerated aneuploid and polyploid changes. Potential for cytogenetic evolution is discussed in relation to the origin and evolution of present day coniferous families and evolution, in general.
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1 - The University of Tennessee, Forestry, Wildlife & Fisheries, Knoxville, Tennessee, 37996-4563, USA
Presentation Type: Oral Paper
Date: Monday, August 15th, 2005
Time: 3:30 PM