WHY do I look the way I look? Everything you see in the mirror- from your height to your hair colour to the dimple(or lack thereof)on your chin-is written into nearly every cell of your DNA,spirally chains of proteins found in everycell in your body.Think of DNA as your body's instruction manual.It tells your cells how to grow into organs,hair,teeth,fingernails,your tongue,and every single other part of your body.Strecthes of DNA(called genes)are like pages in that instruction manual.Genes control what you look like,plus less obvious traits susch as whether you have perfect vision or the ability to curl your tongue. Where did I get my genes? While you admire your good looks in the mirror,don't forget to thank your parents.Genes come in pairs:one from Mom and the other from Dad.It's the combinations of genes that bring about-or-ëxpress"-Various physical traits(in a process called heredity).Some genes are more influential on your appearance than others.The genes for d...