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Punnett Square Vocab

Total questions: 23

Worksheet time: 31mins

Name
Class
Date
1.

Which of the following is a homozygous recessive genotype?

a)

HH

b)

dd

c)

Aa

2.

Which of the following is a heterozygous genotype?

a)

Gg

b)

UU

c)

pp

3.

Which of the following is a phenotype

a)

bb

b)

Bb

c)

BB

d)

blue eyes

4.

Having two different genes for a trait is called (a)   .

5.

Which of the following genotypes would be considered heterozygous?

a)

BB

b)

gg

c)

Ff

d)

TT

6.

Aa, DD, Bb, yy are all examples of (a)  

7.

Which of the following is homozygous recessive

a)

Rr

b)

RR

c)

rr

d)

all of them

8.

What is the probability of a gg offspring?

a)

1/4

b)

2/4

c)

3/4

d)

4/4

9.

When the alleles in a genotype are the same it is...

a)

Homozygous

b)

Heterozygous

10.

The genotype below is...

Aa

a)

Homozygous Recessive

b)

Heterozygous

c)

Homozygous Dominant

11.

The genotype below is...

BB

a)

Homozygous Recessive

b)

Heterozygous

c)

Homozygous Dominant

12.

The genotype below is...

dd

a)

Homozygous Recessive

b)

Heterozygous

c)

Homozygous Dominant

13.

When the alleles in a genotype are different it is...

a)

Homozygous

b)

Heterozygous

14.

Black hair, Blonde hair, and Brown hair are all examples of a....

a)

Phenotype

b)

Genotype

15.

AA, Aa, and aa are all examples of a...

a)

Phenotype

b)

Genotype

16.

represented with a lowercase letter

a)

recessive

b)

dominant

17.

Which of the following is a heterozygous genotype?

a)

Gg

b)

UU

c)

pp

18.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
19.
What are the parents' genotypes?
a)
Homozygous for brown eyes
b)
Heterozygous for brown eyes
c)
Homozygous for blue eyes
d)
Heterozygous for blue eyes
20.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
21.

What genotype would go in box 4?

a)

BB

b)

Bb

c)

bb

22.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
23.

Match the following the percentages for Punnett Squares

a)

1.

Percentage: 100%

Ratio: 4:4

Fraction: 4/4

b)

2.

Percentage: 75%

Ratio: 3:4

Fraction: 3/4

c)

3.

Percentage: 50%

Ratio: 2:4 (1:2)

d)

4.

Percentage: 25%

Ratio: 1:4

Fraction: 1/4