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A common, hands-on method for teaching genetics in grade school encourages students to compare their earlobes with those of their parents: are they attached and smoothly mesh with the jawline? Or are they detached and dangly? The answer is meant to teach students about dominant and recessive genes. Simple, right? Not so fast.
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Do your ears hang low? The complex genetics behind earlobe attachment was originally posted by Health Nutrition And Fitness News
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