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Abstract Detail


Recent Topics Posters

Marriage, Tara [1].

The effect of partial asexual reproduction on genetic load: An experimental study of Mimulus guttatus.

The reproductive system of a species, which can be defined as the extent to which the species propagates sexually vs. asexually or whether it outcrosses or self-fertilizes, is a primary determinant of genetic variability. The reproductive system is highly variable among populations of Mimulus guttatus, the yellow monkeyflower. Genetic load and inbreeding depression are expected to be increasing with increasing asexual reproduction (Muirhead and Lande 1997). In this study, I estimate inbreeding depression and several other genetic statistics for a coastal population of M. guttatus that exhibits substantial clonal reproduction. Field collected seed were used to establish multiple families, each of which was comprised of inbred and outbred members. Various flower measurements, along with male and female fitness components, were used to obtain estimates of genetic load and heritabilities. These estimates differ from those obtained previously for a different M. guttatus that is exclusively sexual in its reproduction.


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1 - University of Kansas, Department of Ecology & Evolutionary Biology, Haworth Hall, 1200 Sunnyside Ave, Lawrence, Kansas, 66045-7534, USA

Keywords:
Mimulus
asexual reproduction
genetic load.

Presentation Type: Recent Topics Poster
Session: P
Location: Exhibit Hall (Northeast, Southwest & Southeast)/Hilton
Date: Sunday, July 8th, 2007
Time: 8:00 AM
Number: P79047
Abstract ID:2735


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