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Human variability
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Human variability, or human variation, is the range of possible values for any characteristic, physical or mental, of human beings.
Examples of human phenotypic variability: people with different levels of skin colors, a normal distribution of IQ scores, the tallest recorded man in
Examples of human phenotypic variability: people with different levels of skin colors, a normal distribution of IQ scores, the tallest recorded man in history - Robert Wadlow - with his father.
Identical twins share identical genes. They are often studied to see how environmental factors impact human variability, for example, height differenc
Identical twins share identical genes. They are often studied to see how environmental factors impact human variability, for example, height difference.
Human physical appearance
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Human physical appearance is the outward phenotype or look of human beings.