Genome sequencing has become one of the most rapid and effective methods to study molecular breeding of animals and plants. Chickens and chicken products are the necessary production for people and play an important role in our lives. Chickens are the first species of birds to get the whole genome sequence. This paper reviewed the research situation of domestic chicken reference genome and whole genome sequencing, which revealed the selective genes of special traits of local chicken breeds. It is believed that with the development of science and technology, whole genome sequencing combined with data from other sources can continuously promote the progress of this discipline.
Whole genome sequencing technology started in the middle and late 20th century. In recent years, with the rapid development of high-throughput sequencing technology, the further reduction of sequencing costs and the continuous improvement of assembly methods, it has penetrated into various fields of modern biological research and played a revolutionary role in promoting. Chickens and chicken products have become the necessary means of production and life for people, and chickens are the first species of birds to have the whole genome sequence. In this paper, we reviewed the research progress of whole genome sequencing technology in chicken origin and domestication, especially discussed the significance and problems in the research of candidate genetic signals of chicken breeds.
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