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.
        
             
        
        
        
They share family characteristics, such as praying before a meal or bed
        
             
        
        
        
<span>The answer is endonorphins. They are opotid peptide hrmones and are poduced endogenously. Endonorphons inhibit transmissions of the signals related to pain, and are also use in depersonalization treatments. They are screted in brain and nervous system and cause an analgesic effect in the body.</span>