DNA Mutations, Damage, and Repair Mechanisms

Practice Questions

Genetics › DNA Mutations, Damage, and Repair Mechanisms

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1

If a cell senses a harmful mutation and ultimately decides to undergo apoptosis, which signal will the cell release which is a pro-apoptotic factor?

2

What is the name of the enzyme that unwinds the DNA for replication?

3

Which method of DNA repair is used to correct damages caused by UV Radiation?

4

Which of the following represents a transition mutation in the following strand?

ATGCTGCAAGTA

5

Xeroderma pigmentosum is a disease where there are 7 mutated genes which were caused by UV damage. Which process of the DNA repair mechanism is defective?

6

What term describes the structural abnormalities where one chromosome arm is deleted and there is duplication of the other, resulting in mirror images?

7

If a cell cannot repair itself, how does it take action to destroy itself?

8

What pair of chromosomes are mutated when a child exhibits down syndrome characteristics?

9

Methylation and Acetylation are the main components of which non mutation protein change?

10

Which of the following represents a frameshift mutation to the given template strand?

5'-AGCCTTAGC-3'

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