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.
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.
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See also
- What is the molecular 'switch' influencing muscle aging?
- What is oxyluciferin?
- Why Do Caterpillars Eat Leaves So Much?
- What are gain-of-function mutations?
- How do different types of pain signals get transmitted to the brain?
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Categories: Biology · genetics,evolution,anatomy