How do identical twins develop?
a. When two eggs are fertilized by the same sperm
b. When two sperm fertilize the same egg
c. When a fertilized ovum divides to give two identical fertilized ova
d. When two different sperm fertilize two different ova
e. When a single sperm fertilizes two different ova
c. When a fertilized ovum divides to give two identical fertilized ova
Psychology