从人类基因组测续质疑基因进化论

1990年启动了人类基因组计划。人类基因组测续的完成给我们提供了很多新的视角。我个人的观点是,由基因组看,进化论是很值得商榷的。

人类的基因序列表明,地球上所有人的基因组99.9%的部分都是相同的。不同人种,对疾病的不同反应都掩藏在这0.1%之间。如果人是进化而来的,不同地区的人的基因序列应该更分散,不应该这么一致。人体的构成是如此的机密,单个和苷酸,单个氨基酸,单个基因的突变就可以造成致命的疾病,如西方的囊性纤维化疾病,镰状细胞病。还有遗传性癌症都是因为基因组里一两个微小的突变。突变大一点的,多了一条染色体,就会造成唐式综合症孩子。从这样来看,靠基因的突变进化基本是不可能的。突变稍微一多,基本都会的疾病死掉,很难进入进化的环节。

人与黑猩猩的基因有1.23%的差异,人类和阿比西尼亚家猫的基因相似度达90%。人类和老鼠的相似度高达85%, 人类和果蝇的致病基因相似度为61%; 人类和香蕉的基因相似度高达60%。 基因组序列越相近,表明进行类似的生物活动所需要的基因背景累似。如果用电脑程序来说,智能手机程序,和智能电脑程序,就会比电子表的程序要复杂,他们的手机和电脑电子程序更接近。

花菜 发表评论于
回复 'oceanblue2' 的评论 :谢谢回复,不过人类基因组里的有效编码只占整个基因组的很小的部分。我不是做信息学的,只是有些思考,不专业
oceanblue2 发表评论于
0.1%不同就是3million碱基不同。而且人有两套染色体
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