Inheritable Human Traits
Earlobes Detached is Dominant, Attached is Recessive
Thumb Straight is Dominant, Hitchhiker is Recessive
Tongue Roller is Dominant, Nonroller is Recessive
Dimples Dimples are Dominant, No Dimples is Recessive
Right Handed or Left Handed Right is Dominant, Left is Recessive
Cross Hands Where is your thumb? Left over Right is Dominant, Right over Left is Recessive
Freckles Freckles are Dominant, No Freckles are Recessive
Curly is Dominant, Straight is Recessive Curly or Straight Hair Curly is Dominant, Straight is Recessive **Recent studies show hair is multiple genes
Cleft Chin No Cleft is Dominant, Cleft is Recessive
Allergies
Can you taste PTC? Tasting PTC is Dominant, Not Tasting is Recessive
Can you see colors?
Hairline Widow’s Peak is Dominant, Straight is Recessive