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Acquired vs. Inherited Traits 7 January 2011

Learn the differences between inherited and acquired traits in organisms. Discover how genetics and life experiences shape characteristics. Practice distinguishing trait origins through various examples. Enhance your knowledge of how traits are inherited or acquired.

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Acquired vs. Inherited Traits 7 January 2011

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  1. Acquired vs. Inherited Traits7 January 2011

  2. Characteristics = Traits • A characteristic of an organism may be inherited or acquired. • You are a unique individual. • Characteristics about you are called traits. • Examples: Eye color, basketball skills

  3. Inherited Traits • Received from your biological parents • Examples: natural eye color, hair color, height, blood type.

  4. Acquired Traits • Developed during life (not born with it) • Examples • Things you learned (riding a bike, reading, writing) • Things that happened to you (short hair, cut-off finger)

  5. Acquired traits end with you! • CANNOT pass on acquired traits to offspring • NOT in DNA/genes! • Example: Your kids won’t be born with a missing arm if you cut off your arm first!

  6. Some traits are both! • Skin color is a combination trait • Inherited part: Receive genes for skin color from parents. • Acquired part: Amount of time in the sun determines level of tan.

  7. Let’s Practice! • Take out a sheet of notebook paper and number it 1-12. For each example, write down whether you think the trait is acquired or inherited. Think: “Was this organism programmed from birth to have this trait?”

  8. Example:Dimples Is this an acquired trait or an inherited trait?

  9. Dimples – Inherited Trait! This child has genes from her parents that gives her dimples.

  10. Number 1 • Someone is bilingual.

  11. Number 2 • You know how to swim.

  12. Number 3 • You have a hitchhiker’s thumb.

  13. Number 4 • A man is blind from a firework accident.

  14. Number 5 • Sarah can roll her tongue.

  15. Number 6 • You have calluses on your feet.

  16. Number 7 • A pea plant has purple flowers.

  17. Number 8 • Captain Kirk can make the vulcan hand sign.

  18. Number 9 • Harry has a scar on his head.

  19. Number 10 • Sam has a birthmark on his back.

  20. Number 11 • A bush has trimmed limbs.

  21. Number 12 • Kilam is very good at basketball.

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