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靠近亲繁殖清除有害基因 鸮鹦鹉的这招能救濒危动物吗 - 科学探索

一直以来,科学家们认为,近亲繁殖会导致各种先天性缺陷。这一现象在有性生殖的物种中普遍存在,而且有性生殖在进化上的重要意义就在于通过雌雄个体遗传信息(基因)的重组来增加物种的多样性。然而,近日发表在《细胞·基因组学》上的一篇论文发现了近亲繁殖对基因影响的新案例:瑞典和新西兰研究人员对新西兰斯图尔特岛上的鸮鹦鹉进行基因组测序时发现,在经历了1万年的孤岛隔离和近亲繁殖后,鸮鹦鹉有害基因突变的数量比主岛上 ....

New Zealand , Stewart Island , New Zealand General , Chan Xi , Nankai University Life Sciences College , Zhao Introduction , New Zealand South , Island South , State Research , Clear Zhao , 靠近亲繁殖清除有害基因 鸮鹦鹉的这招能救濒危动物吗 ,