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Example of Runaway Selection. Theory of random sexual selection of mates. Used to explain passing on of useless or 'expensive' genes which may create liabilities. It's called 'runaway' selection because the gene traits carried on may become liabilities if carried to extremes. The genes may in fact exaggerate physical characteristics which makes the animal less able to survive, rather than more so, in normal evolutionary theory.
Author information: (1)University of Melbourne, Attwood, Australia. mike.goddard@dpi.vic.gov.au. Genomic selection is a form of marker-assisted selection in which genetic markers covering the whole genome are used so that all quantitative trait loci (QTL) are in linkage disequilibrium with at least one marker.