GENE MONSTER LAB
DIRECTIONS:
1.
Look at the genotype strip you received. Write down the # that is on your strip: __________
2.
Fill the genotypes on the table below (in the “Genotype” column).
3.
Look at Dominant/Recessive sheet (on the back of this page) and determine which phenotypes
your “Gene Monster” has (based on the genotypes on the strip you received).
4.
Fill the phenotypes on the table below (in the “Phenotype” column).
Example: Aa = Tall head
Genotype (from strip)
Phenotype (determined using Dominant/Recessive sheet)
5.
6.
7.
8.
9.
Color & cut out the body parts for your “Gene Monster”.
Glue/tape them together onto a piece of construction paper.
Give your “Gene Monster” a name and write it on the front of the construction paper.
Glue/tape the genotype strip to back of the paper.
Put your name, date, & period on the back of your “Gene Monster”.
10.
Write down the genotype (from the strip) for another classmate’s “Gene Monster”.
Genotype for another person’s “Gene Monster”:
#: _____ genotype: ___________________________________________________________
QUESTIONS: Follow the directions below and answer the questions on another sheet of paper.
1. What does each letter in each gene pair represent?
2. Use a series of 12 Punnett Squares (one for each trait) to show the cross between your “Gene
Monster” the other “Gene Monster” (that you wrote the genotype for in #10 above).
DOMINANT
RECESSIVE
A
TALL HEAD
a
flat head
B
TALL BODY
b
short body
C
LONG ARMS
c
short arms
D
SHORT LEGS
d
long legs
E
FAT LEGS
e
skinny legs
F
LONG FEET
f
short feet
G
LONG NOSE
g
short nose
H
CROOKED NOSE
h
wide nose
I
SHORT EARS
i
long ears
J
FLOPPY EARS
j
tube ears
K
WARTS
k
no warts
L
WIDE MOUTH
1
narrow mouth
M
FANGS
m
no fangs
N
WINGS
n
no wings
O
NORMAL EYES
o
stalk eyes
TRAIT STRIPS