wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genotypes and Phenotypes Lesson 4

Total questions: 44

Worksheet time: 44mins

Name
Class
Date
1.
Which of the following is a HOMOZYGOUS DOMINANT genotype?
a)
GG
b)
Gg
c)
gg
2.
Which of the following is a HOMOZYGOUS DOMINANT genotype?
a)
GG
b)
Gg
c)
gg
3.
Which of the following is a HOMOZYGOUS RECESSIVE genotype?
a)
GG
b)
Gg
c)
gg
4.
Which of the following is a HETEROZYGOUS genotype?
a)
GG
b)
Gg
c)
gg
5.
A person is has the following alleles for eye color: Bb How would you describe this persons genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
6.
A person is has the following alleles for eye color: BB How would you describe this persons genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
7.
A person is has the following alleles for eye color: bb How would you describe this persons genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
8.
Which of the following is a HOMOZYGOUS RECESSIVE genotype?
a)
hh
b)
HH
c)
Hh
9.
Which of the following is a HOMOZYGOUS DOMINANT genotype?
a)
hh
b)
HH
c)
Hh
10.
Which of the following is a HETEROZYGOUS genotype?
a)
hh
b)
HH
c)
Hh
11.
A plant has the following alleles for flower color: rr. How would you describe this plant's genotype?
a)
Heterozygous
b)
Homozygous Dominant
c)
Homozygous Recessive
12.
A plant has the following alleles for flower color: RR. How would you describe this plant's genotype?
a)
Heterozygous
b)
Homozygous Dominant
c)
Homozygous Recessive
13.
A plant has the following alleles for flower color: Rr. How would you describe this plant's genotype?
a)
Heterozygous
b)
Homozygous Dominant
c)
Homozygous Recessive
14.
Which of the following is a HOMOZYGOUS RECESSIVE genotype?
a)
NN
b)
Nn
c)
nn
15.
Which of the following is a HETEROZYGOUS genotype?
a)
NN
b)
Nn
c)
nn
16.
Which of the following is a HOMOZYGOUS DOMINANT genotype?
a)
NN
b)
Nn
c)
nn
17.
A person has the following alleles for number of fingers: FF. How would you describe this person's genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
18.
A person has the following alleles for number of fingers: ff. How would you describe this person's genotype?
a)
Homozygous Dominant
b)
Heterozygous
c)
Homozygous Recessive
19.

Blue eyes are considered to be ______________________ compared to brown eyes

a)

Dominant

b)

Recessive

c)

Homozygous

d)

Heterozygous

20.

Brown hair is an example of which of the following

a)

Genotype

b)

Phenotype

c)

Neither

21.

Each parent provides what percentage of your traits?

a)

25%

b)

50%

c)

75%

d)

100%

22.

Which of the following is an example of a homozygous genotype?

a)

Rr

b)

rr

c)

NN

d)

Nr

23.

Which of the following is the correct definition for a genotype?

a)

The physical expression of a gene. (Characteristics)

b)

A strand of DNA made up of multiple mutations.

c)

The expression of one of your parents traits.

d)

The set of genes in our DNA which is responsible for a particular trait.

24.

Sexual reproduction results in which of the following.

a)

Offspring with completely different traits as the parents.

b)

Offspring with identical traits as the parents.

c)

Offspring with identical traits as their ancestor.

d)

Offspring with a combination of traits as the parents.

25.

Which of the following is an example of an allele?

a)

H

b)

HH

c)

Hr

d)

RRR

26.

If your genotype is Bb, what type of trait would you express as a phenotype?

a)

Dominant

b)

Recessive

c)

Both the dominant and recessive traits

27.

Sexual reproduction does what to genetic variation?

a)

Increases

b)

Decreases

c)

Makes identical copies

28.

A heterozgous genotype results in what type of expression of phenotype?

a)

Recessive Phenotype

b)

Dominant Phenotype

c)

Both traits being expressed

d)

Completely new traits

29.

The physical appearance of an organism is called its

a)

Genotype

b)

Phenotype

c)

Meiosis

d)

Genetics

30.

The allele combinations an organism has for a particular gene is called its

a)

genetics

b)

mitosis

c)

genotype

d)

phenotype

31.

Hair color is an example of

a)

genotype

b)

phenotype

32.

Another term for a HOMOZYGOUS genotype is

a)

purebred

b)

hybrid

33.

Another term for a HETEROZYGOUS genotype is

a)

purebred

b)

hybrid

34.

When will a recessive phenotype be expressed?

a)

When any recessive alleles are present

b)

When any dominant alleles are present

c)

When no dominant alleles are present

35.
This trait will always be expressed if present because it will mask the expression of others
a)
stem cells
b)
heterozygous
c)
dominant
d)
recessive
36.
Having the genes for baldness is an example of
a)
genotype
b)
phenotype
37.
Being a carrier of a genetic disorder is an example of
a)
genotype
b)
phenotype
38.
What does the prefix homo- in homozygous mean?
a)
same
b)
different
c)
dating
d)
humans
39.
Mary is heterozygous. If F for freckles, and f is for no freckles, what is Mary's phenotype?
a)
Freckles
b)
No Freckles
c)
A few Freckles
d)
One Freckle
40.
Chris is homozygous dominant. If W for widow's peak, and w is for no widow's peak, what is Chris' phenotype?
a)
Widow's Peak
b)
No Widow's Peak
c)
A small Widow's Peak
d)
Not enough information
41.
rr
a)
Homozygous Dominant
b)
Homozygous Recessive
c)
Heterozygous
d)
Heterozygous Recessive
42.

Observe the diagram and identify number 21

a)

dominant

b)

recessive

c)

gene

d)

heterozygous

e)

homozygous

43.

Observe the diagram and identify number 22

a)

dominant

b)

recessive

c)

gene

d)

heterozygous

e)

homozygous

44.

Observe the diagram and identify number 33.

a)

tall

b)

short

c)

short stem allele

d)

tall stem allele

e)

homozygous

Similar Resources on Wayground

Semester Final Review

48 questions

Semester Final Review

quiz

Worksheet

•

6th - 7th Grade

Cell Cycle and Genetics

40 questions

Cell Cycle and Genetics

quiz

Worksheet

•

7th - 8th Grade

Heredity and Genetics Review

40 questions

Heredity and Genetics Review

quiz

Worksheet

•

6th - 8th Grade

Genetic 2 Review

48 questions

Genetic 2 Review

quiz

Worksheet

•

7th - 8th Grade

Genetics Review

40 questions

Genetics Review

quiz

Worksheet

•

7th Grade

KS3 Variation, Classification & Inheritance

45 questions

KS3 Variation, Classification & Inheritance

quiz

Worksheet

•

7th - 8th Grade

Cell Cycle & Mitosis

44 questions

Cell Cycle & Mitosis

quiz

Worksheet

•

6th - 12th Grade

Reproduction and Heredity Test

45 questions

Reproduction and Heredity Test

quiz

Worksheet

•

7th - 8th Grade