A NOTE ON THE USE OF DNA FINGERPRINTS TO ASSESS THE COEFFICIENT OF INBREEDING IN POPULATIONS WITH UNKNOWN PEDIGREE

被引：1

作者：

GROEN, AF

机构：

[1] Department of Animal Breeding, Wageningen Agricultural University, Wageningen

来源：

JOURNAL OF ANIMAL BREEDING AND GENETICS-ZEITSCHRIFT FUR TIERZUCHTUNG UND ZUCHTUNGSBIOLOGIE | 1993年 / 110卷 / 02期

关键词：

D O I：

10.1111/j.1439-0388.1993.tb00727.x

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The relationship between the inbreeding coefficient and characteristics of DNA fingerprints is described to show opportunities of using DNA fingerprinting in assessing the inbreeding coefficient in populations with unknown pedigree. Characteristics studied include the number of bands per individual and the average level of bandsharing among individuals in a population. Conceptually simple functions relating allelic frequencies, inbreeding coefficient, and DNA fingerprint characteristics are derived. An increase in the inbreeding coefficient, with constant allelic frequencies, decreases both the number of bands and bandsharing. Allelic fixation will give rise to low numbers of bands but also to higher levels of bandsharing. It is concluded, that when empirically positive correlations between bandsharing and inbreeding are found, this should be due to drift and family structure in small populations subjected to drift and not to the effect of inbreeding per se.

引用

页码：156 / 160

页数：5

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