The normal amount of chromosomes a human has is #23# sets of chromosomes of the total #46# chromosomes. You get #23# from your mother and #23# from your father, and together these sets of chromosomes make up who you are they contain all the information of what hair color, eye color, skin color, etc. which then determine your looks. This is also known as your phenotype. Chromosomes are small parts of a #"DNA"# molecule which can contain some or all of an beings genetic material.
Source:
https://en.wikipedia.org/wiki/Chromosome