Human variability
Videos
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 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 difference.
Italian anthropologist Lidio Cipriani comparing his own height with men from two different ethnic backgrounds: anthropologists tried to understand human height variation between different human groups.
Human physical appearance
Videos
Human physical appearance is the outward phenotype or look of human beings.
Human variability
…values for any characteristic, physical or mental, of human beings. Frequently debated areas of variability include cognitive ability, personality, physical appearance (body shape, skin color, etc.) and immunology. Variability is partly heritable and partly acquired (nature vs. nurture debate). As the human species…
Image of a European female (left) and an East Asian male (right) human body seen from front (upper) and back (lower). Adult human bodies photographed whose naturally-occurring pubic, body, facial, but not head hair have been deliberately removed to show anatomy. Retouched with anterior and posterior views.