https://previews.123rf.com/images/designua/designua1401/designua140100020/25471698-sex-chromosome-x-and-y-boys-carry-xy-chromosomes-and-girls-carry-xx-cromosomes-.jpg
Anyone with math background should understand https://cdn3.iconfinder.com/data/icons/arrows-2-7/30/x-axis_and_y-axis-512.png
Found a sweet and delicious one https://in.pinterest.com/pin/60517188727986509/ This one looks lewd for some reason (too) https://in.pinterest.com/pin/715861303248982307/
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