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生殖细胞

生殖细胞(英語:germ cell)是進行有性生殖的生物體在產生配子的過程中任何一個細胞的總稱。在許多動物中,原始生殖細胞源自於胚胎原線,並經由卵黃囊區(yolk sac)遷移至原基性腺的生殖嵴(genital ridge),並與它作用形成初級性索(primary sex cord)。接著他們會開始進行減數分裂,最終形成成熟的配子,例如:精子卵细胞。植物不像動物一樣在胚胎發育時就有生殖細胞,取而代之的,他們的生殖細胞可以由成體體細胞轉變而來(例如开花植物中花的分生组织[1][2][3]

参考文献

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  1. ^ Alberts B., Johnson A., Lewis J., Raff M., Roberts K., Walter P. Molecular biology of the cell. New York, Garland Science, 1463 p. 2002. 
  2. ^ Twyman R.M. Developmental biology. Oxford, Bios Scientific Publishers, 451p. 2001. 
  3. ^ Cinalli, Ryan M.; Rangan, Prashanth; Lehmann, Ruth. Germ Cells Are Forever. Cell. 2008-02-22, 132 (4). ISSN 0092-8674. PMID 18295574. doi:10.1016/j.cell.2008.02.003 (English). 

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生殖细胞
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