DNA Analysis.

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Presentation transcript:

DNA Analysis

Deoxyribonucleic Acid (DNA) – in all cells - found in blood, semen, saliva, tissues, hair, bones Double helix made of repeating nucleotides Nucleotide = sugar, phosphate, base 4 bases – A, T, C, G Unique to individual based upon base pairings

DNA fingerprint – DNA pattern that distinguishes one individual from another Gel Electrophoresis – produces DNA fingerprint - segments of DNA are separated by size through a gel (stationary phase) by an electric current (mobile phase)

Gel electrophoresis