Editing Human variability (section)

====DNA fingerprinting====
{{Main| DNA Fingerprinting }}
[[DNA profiling]], whereby a DNA fingerprint is constructed by extracting a DNA sample from body tissue or fluid. Then, it is segmented using restriction enzymes and each segment marked with probes then exposed on X-ray film. The segments form patterns of black bars;the DNA fingerprint.<ref>{{Cite book|url=https://books.google.com/books?id=Yv373szE8B8C&q=A+DNA+fingerprint+is+constructed+by+extracting+a+DNA+sample+from+body+tissue+or+fluid&pg=PA100|title=The Forms of Meaning: Modeling Systems Theory and Semiotic Analysis|last1=Sebeok|first1=Thomas Albert|last2=Danesi|first2=Marcel|date=2000-01-01|publisher=Walter de Gruyter|isbn=9783110167511|language=en}}</ref> DNA Fingerprints are used in conjunction with other methods in order to individuals information in Federal programs such as CODIS (Combined DNA Index System for Missing Persons) in order to help identify individuals <ref>{{Cite web|url=http://www.nij.gov/journals/256/pages/missing-persons.aspx|title=NIJ Journal Issue No. 256, January 2007 {{!}} National Institute of Justice|website=National Institute of Justice|access-date=2016-11-16}}</ref>