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Simple Human Pedigree Analysis

Simple Human Pedigree Analysis. Tongue Rolling. Dominant = can roll tongue Recessive = Flat tongue. Earlobes. Dominant = detached earlobes Recessive = attached earlobes. Earbump. Often called Darwin’s Ear Bump Dominant - Having a small bump on the ear Recessive - Not having the bump.

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Simple Human Pedigree Analysis

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  1. Simple Human Pedigree Analysis

  2. Tongue Rolling • Dominant = can roll tongue • Recessive = Flat tongue

  3. Earlobes • Dominant = detached earlobes • Recessive = attached earlobes

  4. Earbump • Often called Darwin’s Ear Bump • Dominant - Having a small bump on the ear • Recessive - Not having the bump

  5. Widow’s Peak • Dominant = widow’s peak • Recessive = straight hairline

  6. Hitchhiker’s Thumb Recessive Dominant

  7. Dimples • Dominant = have dimples • Recessive = no dimples

  8. Cleft Chin • Dominant = have dimples • Recessive = no dimples

  9. Freckles • Dominant = have freckles • Recessive = no freckles

  10. Interlocking fingers • Dominant = Left thumb on top • Recessive = Right thumb on top

  11. Pedigree Conventions

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