Can you help me out with this one 15 pts and Brainiest to person who gets it Wright

The correct answer is  b) 

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

4, two dominant and two recessive