Genes and Traits
Age 12 · Biology
Genes are sections of DNA. They carry instructions that help build and run a body, and they can affect visible features like eye color, hair, and hand shape.
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In the picture
- A colored band on the twisted ladder: a DNA segment that carries an instruction.
- The eye on the human figure: a visible feature influenced by genes.
- The lock of hair on the human figure: a visible feature influenced by genes.
- The hand of the human figure: a visible feature influenced by genes.
Examples
- Eye color often follows patterns seen in parents.
- Hair texture can be curly or straight, like in other family members.
Key takeaways
- Genes are DNA segments that carry instructions for building and operating a body.
- Many visible traits are influenced by genes, and often by environment too.
Quiz: Genes and Traits (Age 12)
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According to the card, what are genes?
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Which of these is a visible feature that genes can influence?
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Which statement matches what the card says about genes and visible traits?
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