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Updated: Aug 14, 2026

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea
Published on: November 25, 2016
The genetic dissection of floral pollination syndromes
Céline Galliot1, Jeroen Stuurman, Cris Kuhlemeier
1Institute of Plant Sciences, University of Berne, Altenbergrain 21, CH-3013 Berne, Switzerland. celine.galliot@ips.unibe.ch
Abstract:
A major factor in the evolution of the angiosperms is the adaptation of plants to animal pollinators. The specific morphology of a flower, its color, nectar composition and scent production can all contribute to reproductive success by attracting pollinators and by limiting out-crossing with other species. It has now become feasible to dissect the genetic basis of plant adaptation to different pollinators.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...