Japanese scientists confirm that the life span of cloned cattle will not be shortened
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Last Update: 2001-09-11
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Source: Internet
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Author: User
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Introduction: researchers from Japan Agricultural Technology Research Institute confirmed that the telomeres of cloned cattle are normal and their lifespan will not be shortened The telomeres of animals are located at the tip of chromosomes The telomeres in leukocytes and spermatozoa and the number of cell divisions are related to the life span of animals It has been reported that the telomere length of Dolly, the first cloned animal in the world, is shorter than that of ordinary sheep, which makes people doubt the cloning technology According to the data published by the Japan Agricultural Technology Research Institute, it has cooperated with relevant units to obtain the white blood cells and sperm telomeres of three cloned cattle, and compared their length with that of its "father" Sifu breeding cattle The results show that the telomeres of cloned cattle and their offspring are not substantially different from those of ordinary cattle It is generally believed that the telomere length of reproductive system cells is determined by telomerase The research results of Japanese scientists show that the telomerase of cloned cattle is also normal It is believed that the research findings are a strong support for the development of animal cloning technology (author:) share to feed Weibo share to:
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