Suppose a young lady comes to you for advice in your capacity as a marriage counselor. She tells you that
her brother has hemophilia, but both her parents are normal. She wishes to marry a man who has no
history of hemophilia in his family and wants you to tell her the probability of her children having this
disease. What would you tell her, and how would you explain your conclusions?

Ais your right answer

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it