DNA Fingerprinting

The Pros and Cons

By Eric, Lillian, And Addy

What is DNA Fingerprinting?

the analysis of DNA from samples of body tissues or fluids in order to identify individuals


  • by analyzing fingerprints and patterns detectives can help people find lost relatives

  • very useful for law enforcement, if a criminal leaves a fingerprint or DNA behind at the crime scene it will be much easier to the determine who the criminal is

  • can prove innocent people innocent and guilty people guilty

  • can reverse wrongful conviction

  • can give medical professionals an idea of the possible diseases a person may get

  • recognized as one of the most accurate technologies in terms of determining parentage
  • It aids in crime scenes

  • Law enforcement officers can match trace amounts of DNA collected from crime scenes

  • Matching crime scene evidence to old crimes or previously convicted criminals
Big image


  • not always 100% accurate

  • highly persuasive over jury

  • police can contaminate DNA

  • sometimes can be a violation of privacy

  • DNA can degrade over time resulting in false and inaccurate evidence

  • inaccurate evidence can send the innocent prison

  • possibility of discrimination

  • some innocent men have been convicted due to DNA fingerprinting