• 2022-06-07
    Which of the following is wrong about the development of fertilized eggs?
    A: Zona pellucida reaction ensures single egg fertilization
    B: Egg swims in the fallopian tube and divides twice a day
    C: Egg moves in the fallopian tube and divides with its volume increasing
    D: Fertilized egg runs in the fallopian tube for 72 hours
    E: On the 4th day after fertilization, morula enters the uterine cavity