Contac of sperm and ovum
Contac of sperm and ovum
Sperm penetrate into the ovum
Sperm penetrate into the ovum
Formation of female and male pronucleus
Formation of female and male pronucleus
Fusion of pronuclei
Fusion of pronuclei
Process of fertilization ① Fusion of the ② The nucleus ③ Formation of ④ Fusion of membrane of oI sperm pronuclei penetrate into pronuclei sperm and ovum ovum Alteration of ovum 24h
① Fusion of the membrane of sperm and ovum ② The nucleus of sperm penetrate into ovum ③ Formation of pronuclei ④ Fusion of pronuclei Process of fertilization Alteration of ovum 24 h