分子生物學中Segmental duplication怎麽翻譯？

權威百科--維基這麽說的：Segmental duplications are segments of DNA with near-identical sequence.Segmental duplications (SDs or LCRs) have had roles in creating new primate genes reflected on human genetic variation. In human genome chromosomes Y and 22 have the greatest SDs proportion: 50.4% and 11.9%.

翻譯過來就是：節段性重復是由相近序列的壹些DNA片段。節段性重復在創造新的反映人類基因多樣性的靈長類基因中發揮重要作用。在人類染色體Y和22號染色體上，有很大的SD序列比例。