Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.
在被子植物中的生殖细胞(为雄原核译者)成两个配子的核。
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From this video, you should now know that mitosis is how cells divide in order to grow and repair, or for asexual reproduction.
通过这个视频,你现在应该知道有丝分裂是细胞为了生和修或无性生殖而分裂的过程。
Early on in meiosis the germ cell makes a copy of all of its chromosomes with each chromosome having sister chromatids at that point.
减数分裂早期,生殖细胞会先的染色体,完毕后,所有的染色体都有了姐妹染色单体。
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