Punnett Square Practice Problems

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A male rabbit with black fur is crossed with a female rabbit with brown fur. The fur color of the offspring is shown in the chart.
What is the genotype of the male rabbit?
BB
Bb
bb
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following alleles is homozygous (purebred) recessive?
Tt
tt
TT
t
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the possible genotypes for this cross?
TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%
Tags
NGSS.HS-LS3-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the possible genotypes of the offspring? (A-Brown hair; a-blond hair)
AA, Aa, aa
AA only
Aa only
aa only
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
NGSS.HS-LS3-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What genotype would go in box 1?
BB
Bb
bb
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the missing allele?
a
A
AA
aa
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?
none
3/4
1/2
all
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
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