Question

Why is forenic dna analysis an important part of biotechnology?

Answer 1

Forensic DNA analysis is used to match two samples of DNA, and that's why it's so important.

WHAT IS FORENSIC DNA TYPING?
The use of DNA to establish identities in connection with legal matters, such as crimes. 

NOTES FROM ME:
Sorry for the short answer, but I don't know too much about DNA analysis. Just in case that your really-really needed this answer, now you have it. I will do some additional research and I'll add more information, though comments, as I receive them.