The definition of reproduction is any various processes, either sexual or asexual, when an animal or plant produces one or more beings similar to itself. In reproduction, it is like the action/process of making a copy of something. In a human's body there is a total of normally 23 pairs of chromosomes(46 chromosomes in total). Females have two copies of X chromosomes, while the males have one X chromosome and one Y chromosome. So during reproduction, you and your partner trades these chromosomes. These chromosomes would determine if you'll be tall or short, skinny or fat, boy or girl and etc.
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