STRs and DNA Amplification Flashcards
1
Q
How are STRs named?
A
By how many nucleotides repeat
2
Q
What is the most common STR for human identification?
A
Trinucleotides
3
Q
What are stutter products?
A
Those that are one unit smaller than the allele
4
Q
What are allelic ladders?
A
A mixture of common alleles of known size in the human population.
5
Q
What are the 4 criteria for a good loci?
A
Expressed in everyone, polymorphic, easy to amplify and easy to interpret.
6
Q
What form of DNA does PCR work better with?
A
Shorter sections
7
Q
What increases primer specificity?
A
Length
