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Genetics Section

Schlarbaum, Scott E. [1].

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

Keywords:
cytogenetic
evolution
Chromosome numbers
conifers
polyploidy
aneuploidy.

Presentation Type: Oral Paper
Session: 13-10
Location: 412/Hilton
Date: Monday, August 15th, 2005
Time: 3:30 PM
Abstract ID:486


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