Lecture 5 - Identification of missing persons using DNA Flashcards
1
Q
What are the requirements of successful DNA identification?
A
Comparison of a postmortem sample and an antemortem record
2
Q
Autosomes
A
Non sex chromosomes passed on from all ancestors
3
Q
Sex chromosome
A
Chromosomes determining the sex of an individual, inherited from parents
4
Q
What aspects of DNA are focused on in identification?
A
Autosomes and sex chromosomes in the nucleus and mitochondrial DNA
5
Q
Can mtDNA analysis assist in individual identification?
A
No as mtDNA is identical between maternal relatives
6
Q
What happens to the quality of DNA after death?
A
It degrades into small pieces, limiting analysis. Also commonly present in low concentrations and contaminated
