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Human chin's evolutionary origins and dimple formation explained

By PulseAugur Editorial · [1 sources] ·

The human chin is a unique evolutionary feature, being the only bony protrusion of its kind among living species. While its exact purpose remains debated, current theories suggest it may be a byproduct of facial shortening during human evolution or potentially play a role in visual signaling. The common chin dimple, present in about 20% of people, arises from incomplete fusion of the lower jaw's two halves during fetal development, leading to a dip in the skin. AI

RANK_REASON The item discusses evolutionary biology and anatomical features, citing scientific studies. [lever_c_demoted from research: ic=1 ai=0.1]

Read on Forbes — Innovation →

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Human chin's evolutionary origins and dimple formation explained

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COVERAGE [1]

  1. Forbes — Innovation TIER_1 English(EN) · Scott Travers, Contributor ·

    Only 20% Of Humans Have A Dimple In Their Chin — An Evolutionary Biologist Explains Why

    Only about 1 in 5 people have a chin dimple. An evolutionary biologist unpacks the genetics — and the deeper mystery of why humans have chins at all.

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