Goal: students should understand what causes variation in sexual

Mother’s Name: _________________________________
Child’s Name: ___________________________________
Father’s Name: ____________________________
Directions: Use the translation booklet to find out how your child’s chromosomes create the facial features.
Characteristic
Sex
Female
XX
Male
XY
Face Shape
Round
RR
Round
Rr
Very Prominent
LL
Chin Shape
Square
rr
Very Prominent
Ll
Chin Shape
Expressed ONLY if LL
or Ll is present
Round
Round
Square
SS
Ss
ss
Cleft Chin
Expressed ONLY if LL
or Ll is present
Cleft
Cleft
No Cleft
CC
Cc
cc
AAA
AAA
Black
Hair Color
Eye Color
AAA
AA / a
AAA
A / aa
Very Dark
Dark Brown
Brown
Light
Light
Brown
AAA
/ aaa
AA
/ aaaa
A/a
aaaa
Brown
Light
Brown
Honey
Blond
Blond
Dark
Blue
Ffbb
Light
Blue
ffBB
HHHH
HHHH
HHHH
HHH / h
HHHH
HH / hh
HHHH
H / hhh
HHHH /
hhhh
Dark Brown
Brown
Brown
Brown
Dark Blue
FFBB
FFBb
FFbb
FfBB
FfBb
Red
Less Red
Pigment Pigment
No Red
Pigment
Very
Very
Light
Brown
aaa
aaa
Light
Brown
Very Very Very Dark
Medium
Dark Brown
Dark Brown
Brown
Brown
Skin Color
Red Hair
Less Prominent
ll
Lip
Thickness
Very
Light
Blond
HHH/ HH / h H / hh
hhhhh hhhhh hhhhh
Light
Blue
ffBb
Thick
JJ
Thick
Jj
Thin
jj
GG
Gg
gg
Hair Type
Curly
WW
Wavy
Ww
Straight
ww
Dimples
Dimples
KK
Dimples
Kk
Absent
kk
Widow's
Peak
Present
PP
Present
Pp
Absent
pp
Nose Size
Big
NN
Medium
Nn
Small
nn
Eyebrow
Thickness
Thick
TT
Thick
Tt
Thin
tt
Nose Shape
Rounded
UU
Rounded
Uu
Pointed
uu
Pastor
Biology
VERY
light!
Platinum
hhhh
hhhh
Pale Blue
ffbb
Genetics Unit
Eyebrow
Placement
Apart
Apart
EE
Ee
Eye
Distance
Apart
Close
Eye Size
Eye Shape
Eyelashes
Mouth Size
OO
Large
II
Almond
VV
Long
MM
Wide
QQ
Less
Close
Oo
Medium
Ii
Almond
Vv
Long
Mm
Average
Qq
Touching
in Middle
ee
Far Apart
oo
Small
ii
Earlobe
Attachment
Free
ZZ
Free
Zz
Attached
zz
Hairy Ears
Present
DD
Present
Dd
Absent
dd
Freckles on
Cheeks
Present
$$
Present
$$
Absent
$$
Freckles on
Forehead
Present
@@
Present
@@
Absent
@@
Round
vv
short
mm
Narrow
qq