16 – To Investigate Patterns Using a DNA Profile (LC 2027) (Leaving Cert Biology): Flashcards
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Practise the cards
13 cards from this deck
What is DNA profiling used for?
What is DNA profiling used for?
Identify individuals & establish biological relationships
Alternative name for DNA profiling
Alternative name for DNA profiling
DNA fingerprinting
Exception to unique DNA profiles
Exception to unique DNA profiles
Identical twins
What DNA profiling examines
What DNA profiling examines
Short tandem repeats (STRs)
How DNA profiles appear on gel
How DNA profiles appear on gel
As bands (dark lines)
Gel electrophoresis separates DNA by
Gel electrophoresis separates DNA by
Size
Which DNA fragments travel further in gel
Which DNA fragments travel further in gel
Smaller fragments
Crime scene DNA match indicator
Crime scene DNA match indicator
Identical band patterns between samples
When is a suspect eliminated?
When is a suspect eliminated?
No bands match between suspect & crime scene DNA
DNA inheritance in children
DNA inheritance in children
Half from each parent
How to identify biological father
How to identify biological father
Match child's non-maternal bands with potential father
Paternal bands definition
Paternal bands definition
Bands in child not from mother
What matching band patterns indicate
What matching band patterns indicate
DNA from same source
