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Name:
Punnett Squares
Multiple Choice
A
B
C
D
1.
Which of the following could represent the alleles of an individual carrying a homozygous dominant trait?
a.
Tt
b.
tt
c.
TT
d.
tT
A
B
C
D
2.
Which of the follwoing could represent the alleles of an individual who is homozygous recesive for a given trait?
a.
Tt
b.
tt
c.
TT
d.
tT
A
B
C
D
3.
Which of the following could represent the alleles of an individual who is heterozygous for a given trait?
a.
tt
b.
Aa
c.
BB
d.
aa
A
B
C
D
E
4.
Below is a punnet square representing two parents who have heterozygous alleles for tallness.
What percentage of their offspring should be expected to be tall?
a.
100%
b.
75%
c.
50%
d.
25%
e.
0%
A
B
C
D
E
5.
Below is a punnet square representing two parents who have heterozygous alleles for tallness.
What percentage of their offspring should be expected to be short?
a.
100%
b.
75%
c.
50%
d.
25%
e.
0%
