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Acquired vs. Inherited Traits 7 January 2011
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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
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Inherited Traits Received from your biological parents
Examples: natural eye color, hair color, height, blood type.
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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)
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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!
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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.
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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?”
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Example: Dimples Is this an acquired trait or an inherited trait?
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Dimples – Inherited Trait!
This child has genes from her parents that gives her dimples.
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Number 1 Someone is bilingual.
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Number 2 You know how to swim.
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Number 3 You have a hitchhiker’s thumb.
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Number 4 A man is blind from a firework accident.
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Number 5 Sarah can roll her tongue.
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Number 6 You have calluses on your feet.
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Number 7 A pea plant has purple flowers.
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Number 8 Captain Kirk can make the vulcan hand sign.
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Number 9 Harry has a scar on his head.
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Number 10 Sam has a birthmark on his back.
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Number 11 A bush has trimmed limbs.
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Number 12 Kilam is very good at basketball.
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