منابع مشابه
Prezygotic Reproductive Isolation between Mimulus Guttatus and Mimulus Glaucescens
iii ACKNOWLEDGEMENTS I would like to express my deepest gratitude to the following people, without whom this thesis never would have been possible.-To the BCCER for your financial support, which greatly helped in acquiring greenhouse supplies and fuel for driving up and down Honey Run.-To my advisor and friend Dr. Chris Ivey, for hours of engaging scientific discussion and entertaining all of m...
متن کاملSpeciation and Introgression between Mimulus nasutus and Mimulus guttatus
Mimulus guttatus and M. nasutus are an evolutionary and ecological model sister species pair differentiated by ecology, mating system, and partial reproductive isolation. Despite extensive research on this system, the history of divergence and differentiation in this sister pair is unclear. We present and analyze a population genomic data set which shows that M. nasutus budded from a central Ca...
متن کاملMicrosatellite variation and evolution in the Mimulus guttatus species complex with contrasting mating systems.
Mutational variability at microsatellite loci is shaped by both population history and the mating system. In turn, alternate mating systems in flowering plants can resolve aspects of microsatellite loci evolution. Five species of yellow monkeyflowers (Mimulus sect. Simiolis) differing for historical rates of inbreeding were surveyed for variation at six microsatellite loci. High levels of diver...
متن کاملThe Genomic Signal of Partial Sweeps in Mimulus guttatus
The molecular signature of selection depends strongly on whether new mutations are immediately favorable and sweep to fixation (hard sweeps) as opposed to when selection acts on segregating variation (soft sweeps). The prediction of reduced sequence variation around selected polymorphisms is much stronger for hard than soft sweeps, particularly when considering quantitative traits where sweeps ...
متن کاملInbreeding in Mimulus guttatus Reduces Visitation by Bumble Bee Pollinators
Inbreeding in plants typically reduces individual fitness but may also alter ecological interactions. This study examined the effect of inbreeding in the mixed-mating annual Mimulus guttatus on visitation by pollinators (Bombus impatiens) in greenhouse experiments. Previous studies of M. guttatus have shown that inbreeding reduced corolla size, flower number, and pollen quantity and quality. Us...
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ژورنال
عنوان ژورنال: Aliso
سال: 1950
ISSN: 2327-2929
DOI: 10.5642/aliso.19500203.07