Genetic maps based on DNA-level markers open the way for comprehensive mapping of quantitative trait loci in livestock. Marker-associated quantitative effects have been detected in a number of experiments and1 improved statistical designs and analyses are available. Marker-assisted-selection can contribute to within population improvement and to exploitation of between population genetic variation. Extensive synteny of livestock, mouse and human chromosomes will enable a flow of information between the human, mouse and livestock gene-mapping programs. "Microsatellites", a new class of DNA-level polymorphism, may well be the marker of choice for developing saturated gene maps of livestock species.

Moshe Soller, J. S Beckmann

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIII. Plenary lectures, molecular genetics and mapping, selection, prediction and estimation., , 93–96, 1990
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