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