Marker-assisted selection using ridge regression

2000/04/01 by JOHN C. WHITTAKER, John C. Whittaker, R. Thompson +3 · 5 citations
Agricultural and Biological Sciences · Biochemistry, Genetics and Molecular Biology · #Genetic Mapping and Diversity in Plants and Animals #Genetic and phenotypic traits in livestock #Genetics and Plant Breeding

paper · pdf · doi:10.1017/s0016672399004462

openalex publication_date 2000/04/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

In cross between inbred lines, linear regression can be used to estimate the correlation of markers with a trait of interest; these marker effects then allow marker assisted selection (MAS) for quantitative traits. Usually a subset of markers to include in the model must be selected: no completely satisfactory method of doing this exists. We show that replacing this selection of markers by ridge regression can improve the mean response to selection and reduce the variability of selection response.

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