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Mutation - Quiz No. 6

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

What is the effect of a point mutation?

a)

a. Changes multiple nucleotides

b)

d. Causes complete gene deletion

c)

b. Alters the entire DNA sequence

d)

c. Affects only one or a few nucleotides

2.

Which genetic disorder is caused by a missing piece of chromosome 5?

a)

d. Turner syndrome

b)

c. Cri-du-chat syndrome

c)

b. Edward syndrome

d)

a. Down syndrome

3.

What is the phenotype of an organism?

a)

a. The genetic makeup

b)

b. The physical characteristics

c)

d. The number of chromosomes

d)

c. The type of mutation

4.

What is the probability of offspring inheriting a mutation if one parent is a carrier and the other is unaffected?

a)
25%
b)
75%
c)
50%
d)
10%
5.

What is the main function of a Punnett square?

a)

d. Identify chromosomal abnormalities

b)

c. Analyze DNA replication errors

c)

b. Predict offspring genotypes and phenotypes

d)

a. Determine genetic disorders

6.

What is the complementary base pair of adenine in DNA?

a)

d. Thymine

b)

c. Guanine

c)

b. Cytosine

d)

a. Adenine

7.

Which genetic disorder is caused by an extra copy of chromosome 21?

a)

a. Down syndrome

b)

b. Turner syndrome

c)

c. Cri-du-chat syndrome

d)

d. Edward syndrome

8.

Which genetic disorder is caused by an extra copy of chromosome 18?

a)

a. Down syndrome

b)

b. Turner syndrome

c)

c. Cri-du-chat syndrome

d)

d. Edward syndrome

9.

Which genetic disorder is caused by an extra copy of chromosome 13?

a)

a. Down syndrome

b)

b. Turner syndrome

c)

c. Patau syndrome

d)

d. Edward syndrome

10.

What is the term for a mutation that results in the loss of a nucleotide?

a)

a. Insertion

b)

b. Deletion

c)

c. Substitution

d)

d. Duplication

11.

What is the term for a mutation that results in the addition of a nucleotide?

a)

a. Insertion

b)

b. Deletion

c)

c. Substitution

d)

d. Duplication