DNA, The heredity material
DNA is the main machinery that is present in the nucleus, that controls which type of protein will be formed in the body.. DNA controls that how different a person can be as compared to other person. It decides what will be the color of your hairs and eyes. It decides what will be the color of your skin. It decides what will be the height of a person, what will be the shape of face and all that. Further DNA acts as a heredity material too. we have certain features similar to our parents i.e. height, hair color, eye color, skin color and even our intelligence too. These all features transfer from parents to offspring through DNA. But usually offspring contains the better make up of DNA as compared to their parents which helps them to survive in their environment in a better way
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