DNA fingerprinting- paternity testing and forensics Flashcards

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1
Q

what is it

A

process where individuals can be identified and compared based on their DNA sequence or DNA profile

requires matching an unkown sample of DNA to a known sample of DNA to see if they match.

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2
Q

what is RFLP (restriction fragment length polymorphism)

A

where organisms may be differentiated by analysis of patterns derived from cleavage of their DNA

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3
Q

how do they know everyone’s DNA is unique

A

when a persons DNA is cut by RE, the length of the fragments will be different for everyone

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4
Q

procedure

A
  1. scientist amplify specific sequences from more than one dna sample (by PCR)
  2. these amplified pieces are cut by RE
  3. gel electrophoresis
    if patterns similar = related
    the less similar, the less related.
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