Chicken QTL mapping by multiplex PCR

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To facilitate rapid determination of the chromosomal location of quantitative trait loci, the current approaches to gene mapping are improved using a multiplex PCR technique. The high-throughput linkage analysis method described here allows selection of 178 from 328 microsatellite markers through the multiplex PCR method combined with the semi-automatic fluorescence-labeled DNA analysis technology. Those polymorphism markers are distributed on 23 autosomes and one sex chromosome (chromosome Z), covering 3080cM genetic distance. The average marker density is 18cM, dispersed into 30 different sets. These selected polymorphism microsatellite markers segregate with the family members, following the Mendels heritage laws, and are very useful for chicken linkage map analysis as well as for the research on some important economic quantitative characters of chicken.
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