EPISODE · Mar 30, 2026 · 22 MIN
58代克隆鼠终结永生梦
from 生命哲学
这项研究通过对小鼠进行长达二十年的连续克隆实验，探讨了哺乳动物能否仅通过无性繁殖维持物种延续。尽管初期克隆成功率有所提高，但实验在第58代因无法产生存活后代而终止。研究发现，虽然克隆鼠的外表、寿命和表观遗传状态基本正常，但其体内不断堆积基因突变和大规模染色体异常。相比之下，通过有性生殖产生的后代能显著修复生理异常并提高繁殖力。这表明哺乳动物必须依赖有性生殖中的减数分裂和受精过程来清除有害突变，从而保障基因组的长期稳定。前往小宇宙评论区与主播互动
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58代克隆鼠终结永生梦
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