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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Germ line development ： ウィキペディア英語版 Germ line development The cells that give rise to the gametes are often set aside during embryonic cleavage. During development, these cells will differentiate into primordial germ cells, migrate to the location of the gonad, and form the germ line of the animal. ==Creation of germ plasm & primordial germ cells== Cleavage in most animals segregates cells containing Germ plasm from other cells. The germ plasm effectively turns off gene expression to render the genome of the cell inert. Cells expressing Germ plasm become primordial germ cells (PGCs) which will then give rise to the gametes. The germ line development in mammals, on the other hand, occurs by induction and not by an endogenous germ plasm. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Germ line development」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.