Human Genetic Traits

Dominance Most traits show complete dominance Blending unexpected

E unconnected earlobe e connected earlobe P EE x ee E e F1 Ee allele gene E unconnected earlobe e connected earlobe unconnected P EE x ee connected gametes E e F1 Ee

R = Tongue Roller r = Unable to Roll Tongue

W = Widows Peak w = Lack of Widow’s Peak

E = Free Ear Lobe e = Attached Ear Lobe

Hi = Straight Thumb hi = Hitchhiker’s Thumb

Bf = Bent Little Finger bf = Straight Little Finger

M = Mid-Digital Hair m = Absence of Mid-Digital Hair

D = Dimples d = Absence of Dimples

Ha = Short Hallux ha = Long Hallux

Now complete Human Traits Lab