Me tooooooooooooooo but it’s okay because a
Male- private parts are different, Males have sperm that contributes to the reproduction process, males give 23 chromosomes like female's
Female- private parts are different, female's contributes eggs to the reproduction process, female's give 23 chromosomes like male
They are distinguished by proteins on the erythrocytes.
The big idea to remember is that mitosis is the simple duplication of a cell and all of its parts. It duplicates its DNA and the two new cells (daughter cells) have the same pieces and genetic code. Two identical copies come from one original. Start with one; get two that are the same. You get the idea.
So it is the very last stage!