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deletion
美音: [d?'li:?n] 英音: [d??li??n]

第三人稱復(fù)數(shù):deletions

deletion基本解釋

名詞刪除

deletion網(wǎng)絡(luò)解釋

1. deletion的解釋

1. 缺失:你提到的 染色體構(gòu)造異常 : 缺失(deletion)、重復(fù)(duplication)重復(fù)(duplication)是 細(xì)胞分裂,基因復(fù)制的時候偶爾會產(chǎn)生的小差錯... 有點(diǎn)像會計師看錯帳目自己都說的不知道在說什麼, 反正, 不只是Huntington's Disease,

2.

2. 刪去:若插入(insertion)或刪去(deletion)一個堿基,就會使這以后的讀碼發(fā)生錯誤,這稱移碼(frame-shift). 由于移碼引起的突變稱為移碼突變(frame-shift2、一般情況下密碼是不重疊(non-overlapping)的:即每三個堿基編碼一個氨基酸,

3.

3. 缺失突變:具有 WT-1 缺失突變(deletion)的小鼠不會形成產(chǎn)生性腺的中胚層,因此表示它可能是SRY 的上游而非下游基因. 具有 46,XY 核型,以及體染色體遺傳短指發(fā)育不良(campomelic dysplasia)合并性別倒錯的個體同時會產(chǎn)生大范圍的骨骼異常.

deletion英英釋義

noun

1. the act of deleting something written or printed

2. the omission that is made when an editorial change shortens a written passage

e.g. an editor's deletions frequently upset young authors
both parties agreed on the excision of the proposed clause

Synonym: excisioncut

3. (genetics) the loss or absence of one or more nucleotides from a chromosome

4. any process whereby sounds or words are left out of spoken words or phrases

Synonym: omission