A) All human cells are the same because the 46 chromosomes govern size, shape and function. B) Difference in size,shape and function are not very great because all human cells have the same 46 chromosomes. C) The size,shape and function of human cells are the same, but the 46 chromosomes are different. D) Although the 46 chromosomes are the same in all human cells, there are difference in the size, shape and function.