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DNA Mutations

Authored by Michelle Quiroga

Biology

8th Grade

Used 2+ times

DNA Mutations
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three main types of DNA mutations?

Point mutations, insertion mutations, and deletion mutations

Substitution mutations, duplication mutations, and inversion mutations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the difference between point mutations and frameshift mutations.

Point mutations involve the deletion of multiple nucleotides, while frameshift mutations involve the substitution of a single nucleotide.

Point mutations involve the insertion of nucleotides, while frameshift mutations involve the substitution of a single nucleotide.

Point mutations involve the substitution of multiple nucleotides, while frameshift mutations involve the insertion of a single nucleotide.

Point mutations involve the substitution of a single nucleotide, while frameshift mutations involve the insertion or deletion of nucleotides, causing a shift in the reading frame of the sequence.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Provide an example of a substitution mutation.

A substitution mutation is when a gene is duplicated within the DNA sequence

A substitution mutation occurs when a gene is completely removed from the DNA sequence

A common example of a substitution mutation is the sickle cell anemia mutation, where a single nucleotide substitution results in the replacement of glutamic acid with valine in the hemoglobin protein.

A substitution mutation results in the insertion of a new nucleotide into the DNA sequence

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do insertion mutations occur?

A nucleotide is removed from the DNA sequence

Extra nucleotide is added to the DNA sequence

Mutations occur due to environmental factors

Insertion mutations are caused by a change in protein structure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the impact of deletion mutations on the DNA sequence?

Deletion mutations always result in the production of a functional protein

Deletion mutations only affect a single nucleotide in the DNA sequence

Deletion mutations have no impact on the DNA sequence

Deletion mutations can cause a frameshift in the DNA sequence, leading to the production of a non-functional or altered protein.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the significance of silent mutations.

Silent mutations are significant because they can occur in non-coding regions of the DNA and still have an impact on gene regulation and expression.

Silent mutations have no impact on gene regulation and expression

Silent mutations always result in a non-functional protein

Silent mutations only occur in coding regions of the DNA

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the potential consequences of missense mutations?

Decreased risk of genetic disorders

Potential consequences of missense mutations include genetic disorders or diseases due to the production of non-functional or abnormal proteins.

No impact on protein function

Increased production of functional proteins

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