Mitosis is the Asexual Division of Cells So it is not a Right Answer
Surgery" It is not Possible because we can not see D.N.A. without Special Gadgets
Spontaneous Joining is Also a Wrong Answer But I can't tell you Reason So Sorry
Vector Method is the Right Answer Because By Placing DNA Template into Bacteria{Vector} Plasmid , or Virus{Weak or Almost Dead} DNA And Send It to Targeted Cell
This is 21st century .In this time our society as well as all of the world had become advanced and modern.So,in this time if we started to work without any technology then while working we need more manpower and our time will be loss.Science ,technology,engineering and maths play important role in modern world d .It helps in sustain able development and helps any country to be self dependent and makes profit by which Nations will be developed and it helps to win the future.
