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Dominant Human Traits
Do you have them?
DOMINANT HUMAN TRAITS • only one dominant allele is needed (you only
have to inherit it from one parent)• if you have the dominant trait, at least one of
your parents have to have it also
Dominant Trait Do you have dominant trait?
Your genotype #/% of class that have dominant trait
Tongue Rolling
Hapsburg Lip
Free-Hanging Earlobes
vs. attached!
Straight Thumb
Having a hitchhiker’s thumb is recessive!
Widow’s Peak
Left Over Right Hand Clasping
Right over left is recessive!
Almond – Shaped Eyes
vs. round!
Thick Lips
Hair on Middle Section of Fingers
Dimples
Chin Cleft
Long Eyelashes
Short!
Freckles
Six Fingers (on one hand)
Short Second Toe
Can Taste PTC Paper
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