事实证明，沃森和文特尔在基因序列上变异的相同处比他们各自与金姆的要少。
It turned out that Watson and Venter shared fewer variations in their genetic sequences than they each shared with Kim.
一个SNP就是只在一个基因序列的一个核苷酸中发生的变异；就像一个拼写变化只影响一个罕见的长单词中的一个字母。
A SNP is a variation in just one nucleotide of a genetic sequence; think of it as a spelling change affecting just one letter in an uncommonly long word.
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