Study of comparative genomics has revealed that about 5% of the human genome are under purifying selection, 3.5% of which are conserved non-coding elements (CNEs).

比较基因组学的研究发现：人类基因组中约5%的序列受到选择压力的限制， 但编码序列只占其中很小一部分， 约3.5%是保守、非编码序列。

youdao

Study of comparative genomics has revealed that about 5% of the human genome are under purifying selection, 3.5% of which are conserved non-coding elements (CNEs).

比较基因组学的研究发现：人类基因组中约5%的序列受到选择压力的限制， 但编码序列只占其中很小一部分， 约3.5%是保守、非编码序列。

youdao