It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
Answer:
4.Only DNA serves as the master copy of an organism's genetic code which must be replicated by unzipping and base pairing before the cell divides.
Well the womans egg cells get fertitlize d(a baby will form) from the sperm which came from the guy
lmaooooo I hate dis shiiiii
