Afriend of yours who has not taken astronomy sees a meteor shower (she calls it a bunch of shooting stars). the next day she confides in you that she was concerned that the stars in the big dipper (her favorite star pattern) might be the next ones to go. how would you put her mind at ease?

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

answer; how far out of place which the object finished relative to the starting location;