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J Chromatogr B Analyt Technol Biomed Life Sci. 2006 Mar 20;833(1):117-20. Epub 2006 Feb 10.

Assessment of population structure by single nucleotide polymorphisms (SNPs) in goat breeds.

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Dipartimento di Produzioni Animali, Università della Tuscia, Viterbo, Italy.


Single nucleotide polymorphisms (SNPs) may be used in biodiversity studies and commercial tasks like traceability, paternity testing and selection for suitable genotypes. Twenty-seven SNPs were characterized and genotyped on 250 individuals belonging to eight Italian goat breeds. Multilocus genotype data were used to infer population structure and assign individuals to populations. To estimate the number of groups (K) to test in population structure analysis we used likelihood values and variance of the bootstrap samples, deriving optimal K from a drop in the likelihood and a rise in the variance plots against K.

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