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Human Traits Pick A Partner !!
Shape of Face Dominant: Oval faceRecessive: Square Face
Cleft in Chin Dominant: no cleft Recessive: cleft present
Hairline Dominant: Widow’s Peak Recessive: Straight
Dimples Dominant: Dimples present Recessive: No dimples
Freckles Dominant: Freckles present (sun freckles don’t count) Recessive: No freckles
Tongue Rolling & Folding Dominant: can roll tongue Recessive: can’t roll tongue Dominant: can’t fold tongue Recessive: can fold tongue
Lip Shape Dominant: Broad lipsRecessive: Thin lips
Chin Shape Dominant: Normal chin Recessive: Receding chin
Eye Brows Dominant: Broad Recessive: Thin Dominant: Separated Recessive: Joined
Eyelashes Dominant: LongRecessive: Short
Eye Shape Dominant: almond shapeRecessive: round shape
Eye Color Dominant: Brown Recessive: Hazel, Green, Blue, Grey –Green and hazel are dominant over blue and grey
Earlobes Dominant: Free, detached lobes Recessive: Attached lobes
Ear Wiggling Dominant: can wiggle ears (possibly tied to tongue- rolling in males) Recessive: cannot wiggle ears
Hair Texture Dominant: Curly- homozygous, or Wavy- heterozygous Recessive: Straight- homozygous
Hair Color Dominant: Dark hair Recessive: blonde, light, or red hair –Red hair is recessive to all other colors
Baldness Dominant: Bald (in males only) Recessive: Not bald
Hair Whorl Dominant: Clockwise whorl Recessive: Counterclockwise whorl
Blaze/White Hair Streak Dominant: lock of hair that won’t take dye, stays white Recessive: normal hair coloring
Mid-digital Hair Dominant: hair present on between knuckles Recessive: no hair
Hitch-hiker’s Thumb Dominant: Straight thumb Recessive: Hitch-hiker’s thumb
Bent Little Finger Dominant: little finger is bent towards others Recessive: little finger is straight
Interlacing fingers/Clasping Hands Dominant: left thumb over right (55% do this) Recessive: right thumb over left (44% do this)
Hairy Hands Dominant: Hair present on back of hand Recessive: No hair
Polydactyly Dominant: having more than 5 fingers/toes Recessive: having 5 fingers/toes
Double-Jointed Fingers Dominant: Double-jointed (see below) Recessive: normal joints
Finger Length Dominant: Index finger longer than ring finger Recessive: Index finger not longer than ring finger
Morton’s Toe Dominant: Second toe is longest Recessive: Big toe is longest
Body Height Dominant: Short stature Recessive: Tall stature
Vision Dominant: Far-sighted Recessive: Normal vision Dominant: Normal vision Recessive: Near-sighted
Astigmatism Dominant: Astigmatism (can see double or everything is blurry- near and far) Recessive: Normal vision
Tone Deafness Dominant: Tone deaf- can’t carry a tune Recessive: normal tone hearing
Blood Types Dominant: Type A, B, or AB Recessive: Type O Dominant: Rh Factor + Recessive: Rh Factor -
Health Conditions Dominant Conditions: –Migraine headaches –High blood pressure Recessive Conditions: –Allergic/susceptible to poison ivy
PTC Tasting Dominant: can taste PTC Recessive: cannot taste PTC
©1998 Timothy G. Standish Human Genetics Timothy G. Standish, Ph. D.
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