Why Do People Have Different Shapes of Faces?

Everyone has a different face because they get special instructions from their parents. These instructions tell the body how to grow and shape the face, like building with blocks, but each person uses slightly different pieces. Over time, these differences become what we see as unique faces.

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Examples

Your nose might be small because your mom's was, or it could be big if your dad had a big one.
Even twins can look slightly different because of tiny changes in how they developed inside the womb.
Some people have round faces like a ball, and others look more like a rectangle, all from their genes.

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Categories: Biology · genetics,evolution,anatomy