A twin is on the way
Sometimes an embryo splits after fertilization into two. This makes identical twins. When the embryo splits, but remains attached to the other, you get conjoined twins.
When the embryo gets fertilized, it sometimes splits into two, making an identical twin.
the embryo is killed
Ther is no such thing as period of embryo .
The embryo starts as one cell and then splits into two, then four, then eight, then sixteen, and then thirty-six, you get the point. This process, is called mitosis.
Embryo get implanted on the uterine wall.
The Embryo happens to be the lost Heart's Egg of Little Hikaru.
It splits into two.
Random bases attach.
When an atom splits, its called fission Heat comes from fission
the embryo dies
When a hen lays a fertilized egg, there is no embryo inside. Embryo's only start to form once they are incubated.