They can only be seen under a microscope. They come in pairs and are connected at the centromeres. The shorter one of the 2 arms is the p arm and the longer one is the q arm. The kerotype for a female is 23 pairs of homologous chromosomes.
-Female 22 pairs on autosomers.
-Female 1 pair of X chromosomes.
-Male 22 pairs of autosomers.
-Male 1 X and 1 Y chromosomes.
I believe it is cool how the chromosomes can work your body. They deal so much with what your physical appearance is. For example if your missing chromosome 21 you are going to have a disease called down syndrome. For anything to go wrong with the form of your chromosomes you could really have a disability. This is nothing anyone can help so you shouldnt make fun of them. I think it is an amazing thing to know how these things work on humans for them to be so small and can have such a big impact on the life of someone.