By analyzing DNA fingerprints of chickens from seven well-defined genetic groups, a calibration curve was established relating the degree of inbreeding with the average band frequency, allelic frequency and band sharing. The probe used was bacteriophage M13 DNA and digestion of the genomic DNA was carried out with the MspI restriction enzyme. The analysis also provided an estimate of the average allelic frequency at a hypervariable locus and the average mutation frequency per locus and generation. The values of 0.24 and 1.7 X 10(-3), respectively, are similar to the estimates for humans using other probes and hybridization protocols. It is suggested that the calibration curve established can be used for determining inbreeding not only in chickens, but also in other species.
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| http://dx.doi.org/10.1093/genetics/125.1.161 | DOI Listing |
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