Genetic Mutations

Question 1

Mutations do not arise during

Answer 1

Translation or transcription

Question 2

Mutations result from mistakes in a

Answer 2

Cell’s DNA, later affecting the protein level

Question 3

Mutations can come from either

Answer 3

Inheritance or Spontaneously

Question 4

Spontaneous errors can come from

Answer 4

• DNA replication errors
• Environmental factors
• Randomly

Question 5

Translocation is a Large-Scale Mutation in which

Answer 5

Gene from one chromosome is swapped for a gene on another chromosome

Question 6

Chromosomal Inversion is a Large-Scale Mutation in which

Answer 6

Two genes on same chromosome switch places

Question 7

What are Endogenous Mutagens?

Answer 7

Reactive Oxygen Species

Question 8

Reactive Oxygen Species are produced by the

Answer 8

Mitochondria during oxidative phosphorylation

Question 9

What happens when Reactive Oxygen Species react with DNA?

Answer 9

The double helix breaks

Question 10

Reactive Oxygen Species can cause

Answer 10

Base modifications

Question 11

What are Exogenous Mutagens?

Answer 11

Intercalators + Carcinogen

Question 12

Intercalators function by

Answer 12

Sticking itself into DNA strands