More than a century later, amber became sexy again with the advent of gene sequencing and cloning. 一個(gè)多世紀之后，隨著(zhù)基因序列和克隆技術(shù)的出現，琥珀再次變得性感起來(lái)。
Reveral is the operation of changing the order of a subsequence of a sequence of genes. 轉位操作是將一個(gè)基因序列中的兩段相鄰的子序列交換位置。
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