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How do DNA, genes, and chromosomes work together to pass characteristics from parents to offspring?

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Inside every cell in your body are little "blueprints" that make you what you are! Those "blueprints," called DNA, contain everything necessary to sustain human life as well as physical traits that make you unique. The color of your hair, skin, and eyes; how tall or short you are; whether you're a man or a woman; the dimple in your chin; the...

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