Transcript HUMAN TRAITS power point notes

#1 - Earlobes
Dominant
Free
• They hang below the
point of attachment to
the head.
Recessive
Attached
• They are attached
directly to the side of
the head.
#2 - Dimples
Dominant
Dimples
• Natural dents in the face to
the side of the mouth when a
person smiles. If a person
only has one dimple, they
should be counted as having
dimples.
Recessive
No Dimples
#3 – Hitchhikers Thumb
Dominant
Straight Thumb
• When you extend your
thumb and it stays mostly
straight.
Recessive
Curved Thumb
• When you extend
your thumb and it
curves to the left.
#4 – Tongue Rolling
Dominant
Can Roll Tongue
• The ability to turn the sides
of your tongue so that, near
the tip, the sides nearly
touch on top.
Recessive
Cannot Roll Tongue
#5 – Chin
Dominant
Cleft Chin
• If you have a dimple in your
chin it is considered to be
cleft.
Recessive
No Cleft Chin
#6 – Hairline
Dominant
Widow’s Peak
Recessive
No Widow’s Peak
#7 – Writing Hand
Dominant
Right-handed
Recessive
Left-handed
#8 – Hair Type
Dominant
Naturally curly hair
Recessive
Naturally straight hair
#9 – Thumb Crossing
Dominant
Left thumb on top
• Fold your hands together by
interlocking your fingers
without thinking about it.
Recessive
Right thumb on top
#10 – PTC Taste
(Phenylthiocarbimide)
Dominant
Can taste PTC
• The paper tastes bitter.
Recessive
Cannot taste PTC
• The paper tastes like
nothing at all.