Choose all (3) that are correct. Cells become specialized: A. immediately after conception occurs.
B. from stem cells.
C. in order to perform different functions.
D. when certain genes are expressed while others are not​

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

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna

What orders do you have in your chart