Baby Face Activity Worksheet Template (Page 3 of 6) in pdf

Baby Face Activity Worksheet Template Page 3

Eye Color – Dark eyes are dominant over light. To determine the color of the offspring’s

eyes, assume there are two gene pairs involved, one which codes for depositing

pigment in the front of the iris, and one which codes for depositing pigment in the back

of the iris.

a. Determine the genotype of the first pair (AA, Aa, or aa)

b. Then flip again to determine the genotype of the second pair (BB, Bb, or bb).

c. Use the chart below to find out what eye color your offspring has

d. Circle it below:

If the genotype is….

The eye color is….

AABB

Dark brown

AABb

Dark brown

AAbb

Brown

AaBB

Brown with green flecks

AaBb

Brown

Aabb

Gray-blue

aaBB

Green

aaBb

Dark blue

aabb

Hazel

Skin Color – skin color is controlled by a lot of different genes that basically add together

to determine how dark the skin is and variations in tone.

a. To simulate how skin color might be determined, flip a single coin 10 times.

b. Each time the coin turns up heads, give your offspring a point. Add your points

together.

c. 10 pts would be a very dark child, 5 pts would be medium toned child, and 1 pt

would be a very pale child.

d. How many points does your child have? __________

6. Now that you have determined all the traits of your child. You will draw a picture.

a. Use colors and try to make the sketch as accurate as possible given the traits your

child inherited.

Baby Face Activity Worksheet Template Page 3