Examples
- A child who plays outside all day might get more freckles than one who stays indoors.
- Some people have freckles on their nose but not on their cheeks, it depends where the sun hits them most.
- People with fair skin may notice their freckles getting darker in the summer.
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See also
- How Do Birds Migrate So Far?
- What Causes Hiccups?
- How Can a Single Seed Grow into a Tree?
- Why Do People Have Different Shapes of Faces?
- Why Do We Blink?
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Categories: Biology · genetics,skin pigmentation,melanin