DNA Profiling (Leaving Cert Biology): Flashcards

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DNA Profiling
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DNA profiling definition

Method to make unique DNA band pattern to distinguish DNA

Alternative name for DNA profiling

Genetic fingerprinting

Role of detergent in DNA extraction

Dissolves cell membranes (lipids)

Enzymes that cut DNA into fragments

Restriction enzymes

Name for cut DNA sections

Restriction fragments

Technique to separate DNA fragments by size

Gel electrophoresis

Which DNA fragments move faster in gel

Smaller fragments

How to view DNA profile

Under UV light

Appearance of DNA profile

Like a bar code

Uniqueness of DNA profiles

Different for each person

Crime use of DNA profiling

Link person to crime/crime scene

Medical use of DNA profiling

Establish paternity (father of child)

Cell sources for DNA extraction

Blood, hair follicle, bodily fluid

Purpose of DNA profiling

Distinguish DNA from other DNA

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