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Duplications of additively acting genes in the evolution of a plant (Microseris pygmaea) |
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| Authors: | K. Bachmann A. W. van Heusden K. L. Chambers H. J. Price |
| Affiliation: | (1) Hugo de Vries-Laboratorium, University of Amsterdam, Kruislaan 318, NL-1098 SM Amsterdam, (Netherlands);(2) Department of Botany, Oregon State University, 97331 Corvallis, Oregon, USA;(3) Department of Soil and Crop Sciences, Texas A and M University, 77843 College Station, Texas, USA |
| Abstract: | Summary Crosses betweenMicroseris pygmaea (10 pappus parts per fruit) andM. bigelovii (5 pappus parts) have revealed 10-determining genes that additively determine the average number of pappus parts in the hybrids. One or two such genes are found in different populations. Two independent duplications of the original 10-determining gene seem to have occurred. |
| Keywords: | Asteraceae Microseris speciation quantitative genetics polygenes gene duplication |
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