The Journal of Heredity 1998:89(1)
© 1998 The American Genetic Association 89:17-23
Evaluation of genetic variation within and between different chicken lines by DNA fingerprinting
1Department of Animal Science, Faculty of Agriculture, Chiang Mai University, Thailand 2Institut fur Tierzuchtwissenschaft, Endencher Allee 15, 53115 Bonn, Germany *Corresponding author
A DNA fingerprinting technique was used to assess the extent of genetic variation within 12 lines of chickens of different origin. DNA fingerprints were obtained with the restriction endonucleases Alul and Hinfl and with the oligonucleotide probes (CA)8, (CAC)5, (GGAT)4, and (GACA) 4. Different methods that are based on band sharing and band frequency were tested to estimate genetic variation within and between populations. The genetic variability was significantly different within the populations. It was highest in a commercial broiler line and lowest in a White Leghorn inbred line. All three measures of genetic variation with in populations provided results that were highly correlated (r=0.89-0.97). A lower degree of correspondence was observed for the estimation of genetic variation between populations by three different methods. This is shown by differences of the phylogenetic trees and coefficients of correlation between these measures ranging from r=0.51-0.96.
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