After analyzing the chicken genotype sketch, it was found that about 60% of the chickens were the same as humans, and chickens and humans had a common ancestor in about 31 billion years ago.
On March 1 this year, two research teams composed of multinational scientists announced the drawing of gene sequence sketches and genetic differences for chickens. Scientists selected the farm of the home chicken - the red gurus as the surveyor, plotting about 1 billion base pairs in the sketch, equivalent to one-third of human beings. The "Nature" magazine published in the 9th said that the analysis found that the red gurge chicken was about 20,000 to 23,000 genetic genes, and the number of human beings was basically flat, and 60% of which were the same as humans.
Scientists said that the analysis of the chicken genome is also just beginning, but some unexpected results have been obtained. For example, they find that the genes that control the chickens are different from the idea. Corrin makes up human hair, nails, and birds and feathers, scientists have always believed that mammals and birds have the same source of keratin. However, the map shows that the distinct protein gene of the chicken is very different from mammals, and scientists have been speculated that keratin may evolve independently.
In addition, the scientific community agreed that the chicken did not have a sense of smell, but the analysis results show that the chicken has a large number of olfactory genes, and the taste gene is very lacking. The analysis also found that the genes of the bumper, saliva, and teeth were lacking in human beings.
Scientists said that chickens are a relatively ideal intermediary of mammals such as low-like vertebrates and humans. Comparing the genome of other organisms such as chickens, it helps to understand the structure and function of human genes, thereby developing new means of treating diseases. For cultivating quality chicken species, improves food safety, and controls the spread of avian influenza viruses. It also makes it important. (According to Xinhua News Agency)
