Which of the following descriptions of embryo development after fertilization is incorrect?
A、The gemellarypregnancy that two eggs are fertilized separately is called the dizygotic twin.
B、The gemellary pregnancywhich formed by the division of a zygote is called the monozygotic twin.
C、If the monozygotic twins failed to separate or couldn’t separate thoroughly during the early development of pregnancy, there would be a conjoined child.
D、One sperm splits into two and then fertilizes with two eggs which is called dizygotic twin.