Answer:
Sex chromosomes
Explanation:
Sex chromosomes affect your gender through X and Y
C.
Parasitism is where one organism lives off of another and it does well while it harms the other creature.
My guess would be A. B isnt right because you dont need a whole organ to grow an organ, but just a few of its cells. C isnt good either because you can control what stem cells will develop into by taking a cell from whatever is need, and d just doesnt make sense to me.
