Scientists later refined the map by looking for single variations called SNPs or single nucleotide polymorphisms.

科学家们稍后通过利用称为SNP的单核苷酸多态性使遗传图谱更加精细。

youdao

Scientists later refined the map by looking for single variations called SNPs or single nucleotide polymorphisms.

科学家们稍后通过利用称为SNP的单核苷酸多态性使遗传图谱更加精细。

youdao