Importance of Genetics (Speech delivered at Toastmasters District D3 Meet, Mumbai) Have you ever wondered….. Why do some of us have brown eyes, or golden hair or a dark skin tone? Why do some of us like cold weather in Delhi while others relish the humidity in Mumbai? Why do some of us land up with a heart attack or a cancer despite a perfectly healthy lifestyle? Human Body has always been an enigma for the mankind Mr. Toastmaster, fellow club members and dear guests Today I shall tell you about a field of science called Genetics which holds the keys to unravel several mysteries of human body. To know about genetics, let us first look at how our body functions. We all know that our body comprises of organs which are in turn made up of cells. Each of us has about 100 trillion cells in our body. It is these cells which carry out the various body functions – be it respiration, thinking, digestion, response to stimuli etc. How do these cells know what to do? ...