They believe that since the contamination factor can come into play the evidence should only be used to identify for positive proof. The chances that a contaminated sample could come close to matching with a suspect's sample are even worse than the one in a billion odds mentioned before. These experts believe that using four or five sets of numbers clears any doubt of verification once and for all.

DNA fingerprinting takes a sample DNA (victims, suspects, etc.) and counts the number of variable number of tandem repeats (VNTR) in a person's DNA string. The repeats for four or five common repeating "gene groups" are counted and compared to a known sample (again the suspect, victim, etc.) for a match up. This may sound like scientists are only counting or four or five numbers when in reality they are counting on four or five sets of many numbers. The chances of simi

Some common words found in the essay are:
Biology/Sociology DNA, Jose Castro, dna fingerprinting, experts believe, positive identification, counting five, person's dna, human error, five sets, dna identify, court law,
Approximate Word count = 586
Approximate Pages = 2 (250 words per page double spaced)