JAMB Biology 1982 Past Questions

Practice each question, then open it to see the full details.

Question 0
In man, identical twins occur when
  • A.An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo
  • B.an ovum fertilized by two sperms and then divides into two, each forming an embryo
  • C.two ova are fertilized at the same tine each forming an embryo
  • D.two ova are fertilized by a single sperm each forming an embryo after fertilization
  • E.one ovum first divides into two and each half is fertilized by a sperm before developing into an embryo
Objective