L23- Genetic Variations and Mutations Flashcards
1
Q
What is transition?
A
Replacement in Purine group
2
Q
What is Transversion?
A
Replacement from pyrimidine group to purine
3
Q
What is a non-sense mutation?
A
When the mutation codes for a stop codon
4
Q
What is Trinucleotide repeat expansion?
A
when a sequence of 3 bases is repeated in tandem
5
Q
What are splice site mutations?
A
Mutations occurring during splicing of pre-mRNA