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WorksheetsGenetics Vocab. and Simple Dominance Punnett Squares
Total questions: 15
Worksheet time: 22mins
Name
Class
Date
1.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
2.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
3.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
4.
The two types of alleles are (select two)
a)
dominant
b)
doughnut
c)
expressive
d)
recessive
5.
The physical appearance of a trait is known as the-
a)
genotype
b)
phenotype
c)
characteristics
d)
intelligence
6.
How many letters does a genotype contain?
a)
1
b)
2
c)
3
d)
4
7.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's phenotype?
a)
Brown Hair
b)
Blonde Hair
c)
Brown and Blonde Hair
d)
Black Hair
8.
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
a)
BB
b)
bb
c)
Bb
d)
bB
9.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
10.
Fill in the Yellow Box
a)
AA
b)
Aa
c)
aa
11.
Fill in the Yellow Box
a)
Bb
b)
BB
c)
bb
12.
What is the chance that an offspring born from this cross will have the homozygous dominant genotype?
a)
25%
b)
50%
c)
75%
d)
100%
13.
The Punnett square is used to tell the color of a frog's skin. "G" represents green skin and "g" represents brown skin. What is the chance the baby frogs will have brown skin?
a)
0%
b)
25%
c)
50%
d)
100%
14.
Which of the following genotypes is Purebred? Select 2 answers.
a)
aA
b)
Aa
c)
AA
d)
aa
15.
The genotype Aa is called . . .
a)
Homozygous recessive
b)
Hybrid
c)
Purebred
d)
Homozygous dominant
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