2019年春高中生物专题3胚胎工程3.1体内受精和早期胚胎发育课件新人教版选修3.pptx

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专题3 胚胎工程,专题3 胚胎工程,配子,胚胎移植,雌性,睾丸,初情期,有丝分裂,减数第一次分裂,顶体,线粒体,中心体,原生质滴,卵巢,胎儿期,卵巢内,输卵管,合子,受精,输卵管,生殖道,M中期,透明带,透明带,卵细胞膜反应,透明带,分化,胎膜和胎盘,内细胞团表层,内胚层,有丝分裂,减数分裂,从初情期直到生殖机能衰退,出生前(胎儿期),排卵前后,精子获能,输卵管,减数第二次分裂中期,放射冠,顶体反应,卵丘细胞,透明带,精子外膜,卵细胞膜,雌雄原核,受精卵,输卵管,未分化,全能,桑椹胚至囊胚,越来越多,越来越多,越来越少,基本不变,减小,越来越大,

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