Question

Dna evidence left at a crime scence can be used to identify specific individuals becouse

Answer 1

Criminals can leave DNA at crime scenes in a variety of ways. ... of the most valuable tools in criminology is the ability to test evidence for DNA samples.

Answer 2

IT IS BECAUSE DNA FINGERPRINTING IS OBTAINED FROM IT WHEN A DNA SAMPLE IS EXAMINE...DNA FINGERPRINTING IS DIFFERENT IN DIFFERENT INDIVIDUALS
◆◆it can say that it is unique as fingerprint
●we can say that almost 99% of DNA is same in all individual...then what's causes different?
**these as repetitive sequence that are highly variables(VNTRs)
OTHER USES OF DNA FINGERPRINTING=IN CONFIRMATION OF PARENTS
•VNTR are similar between closely related individuals, but are so variable that unrelated individuals are unlikely to have the same VNTRs.