Download Honor Biology: 生物學特論 Lecture 7: Chromosome and genome Part3
Honor Biology: 生物學特論 Lecture 7: Chromosome and genome Part3
Honor Biology: 生物學特論 Lecture 7: Chromosome and genome Part3
Alu element是一段長度只有300個base pairs,但卻重複出現高達百萬次的一段序列,佔了整個基因組的10%,由於這300bp中有一段序列可以被Alu I這個限制酶辨認、切割,因而得名。Alu被發現僅出現在靈長目的基因組中,為什麼同樣一段序列需要如此大量的重複出現?這段序列在人類的演化上又具備什麼意義?

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