Q. In cloning of cattle, a fertilized egg is taken out of the mother’s womb and
A) The egg is divided into four pairs of cells, which are implanted into the womb of other cows
B) In the eight cell stage, cells are separated and cultured until small embryos are formed, which are implanted into the womb of other cows
C) In the eight cell stage, the individual cells are separated under electrical field for further development in culture media
D) From this upto eight identical twins can be produced
Explanation
In cloning of cattle, a fertilized egg divides in 2, then in 4 and then in 8. This embryo is carefully removed from the womb.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.