DNA Mutation And Repair Flashcards
0
Q
Why are the cast majority of mutations harmless?
A
Only about 5 percent of our DNA codes for a gene.
1
Q
What is the error rate of DNA polymerase?
A
1/100000 nucleotides
Proof reading fixes most of them.
2
Q
What are some types of mutations?
A
Chromosomal- huge problem
Mom chromosomal- not as via a problem
Somatic- not
Gene- huge
3
Q
What is a common type of cancer found in DNA
A
They often have mutations that deactivate repair pathways.
4
Q
What is a genetic change that becomes common in a population called?
A
Polymorphism
