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The Journal of Heredity 1993:84(3):166-169
© 1993 The American Genetic Association 84:166-169

research-article

Genetic Similarity Using DNA Fingerprinting in Cattle to Determine Relationship Coefficient

H. Mannen, S. Tsuji, F. Mukai, N. Goto, and S. Ohtagaki

The Laboratory of Animal Breeding, Faculty of Agriculture, Kobe University Kobe 657, Japan
The Hyogo Prefectural Central Institute of Agriculture, Tajima Branch Yabucho, Japan

Address reprint requests and correspondence to Dr. Mannen at the address above.

Abstract

The relation between relationship coefficient and genetic similarity was evaluated using DNA fingerprinting in Japanese Black cattle. We proposed a new method for evaluating heterozygous and homozygous minisatellite loci. Genetic similarity by DNA fingerprinting was estimated by two methods—band sharing (BS) and a new evaluation called genetic similarity (GS). Linear regressions of the relationship coefficient (y) on levels of BS (x) and GS (x2) yielded the equations y = 0.049 + 0.684x, andy = -0.206 + 1.149x2, with highly significant correlation coefficients of .631 and .813, respectively. It was suggested that DNA fingerprinting could be applied to estimate the relationship coefficient not only in cattle but also in other species.


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