Podcast
Questions and Answers
What type of mutation occurs when a single base pair is affected?
What type of mutation occurs when a single base pair is affected?
- Substitution mutation
- Point mutation (correct)
- Insertion mutation
- Deletion mutation
In a deletion mutation, what happens to a base or part of a DNA molecule?
In a deletion mutation, what happens to a base or part of a DNA molecule?
- It is replaced by another base
- It is inserted into the sequence
- It is lost from the sequence (correct)
- It is copied during replication
What is the result of an insertion mutation in a DNA sequence?
What is the result of an insertion mutation in a DNA sequence?
- A base is substituted with another base
- An extra base is added to the sequence (correct)
- A base is changed to a different base
- A base is lost from the sequence
Which type of mutation involves replacing an existing base with a different base?
Which type of mutation involves replacing an existing base with a different base?
How do point mutations affect the DNA when they occur in non-gene regions?
How do point mutations affect the DNA when they occur in non-gene regions?
What can be a significant effect of a point mutation that occurs within a gene?
What can be a significant effect of a point mutation that occurs within a gene?
Which of the following best describes genetic mutations based on the text?
Which of the following best describes genetic mutations based on the text?
How do mutations often occur in a DNA strand according to the text?
How do mutations often occur in a DNA strand according to the text?
What can lead to a mutation affecting a large part of a chromosome?
What can lead to a mutation affecting a large part of a chromosome?
How does a point mutation differ from other mutations?
How does a point mutation differ from other mutations?
What factor determines the impact of a mutation according to the text?
What factor determines the impact of a mutation according to the text?
Why are genetic mutations often depicted unrealistically in movies and comic books based on the text?
Why are genetic mutations often depicted unrealistically in movies and comic books based on the text?