Inherited Traits Check List

Please select your phenotype for each of the following dominant/recessive traits.
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Name: 


  1. Are you able to roll your tongue into a straw shaped tube?
    Tongue Roller
    Non-Tongue Roller


  1. Do you have attached earlobes or do your earlobes droop down? See the image below.

    Detached earlobes
    Attached earlobes


  1. Do you have a hitchhikers thumb? Look at the image to see if your thumb is straight or hitchhiker.

    Hitchhikers Thumb
    Straight Thumb


  1. Do you have freckles on your face?
    Freckles
    No Freckles


  1. Do you have a widow's peak? See the image below.

    widow's peak
    no widow's peak


  1. Do you have red/green color blindness? Can you see the number in the circle below? If so, you are NOT color blind.

    color blind
    not color blind


  1. When you bring both hands together and interlace your fingers, does your left thumb cross your right or does your right thumb cross your left?

    left over right
    right over left


  1. Do you have dimples on your face when you smile?
    dimples
    no dimples