Forensics Test Revision

Hishaam Khan
Mind Map by Hishaam Khan, updated more than 1 year ago More Less
Hishaam Khan
Created by Hishaam Khan about 3 years ago
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For the Year 9 end of term test for science.
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Forensics Test Revision
1 Blood
1.1 Plasma
1.1.1 Contains Substances
1.2 Red Blood Cells
1.2.1 Carry Oxygen
1.3 White Blood Cells
1.3.1 Blood Clotting
1.4 Platelets
1.4.1 Blood Clotting
1.5 Blood Groups
1.5.1 A
1.5.2 B
1.5.3 O
1.5.3.1 Can Only accept O
1.5.4 AB
1.5.4.1 Antigens found on the Surface of the Membrane
2 Finger Printing
2.1 Has a person touched a Surface?
2.1.1 Humans have oils in there skin
2.2 Can Be Identified By:
2.2.1 Chemical Spray
2.2.2 Powder Dusting
2.3 Whorls, Arches, Loops etc.
3 DNA
3.1 How do they use it?
3.1.1 1. Extract the DNA
3.1.2 2. Cut the the DNA into fragments
3.1.3 Electrophoresis
3.1.3.1 3. Put into walls on an Agar Plate
3.1.3.2 4. Apply an Electric Current
3.1.3.3 5. The Fragments will move up and down the plate
3.2 Rigor Mortis
3.2.1 Stiffing of Joints and Muscles a few hours after Death.
4 Microscopes
4.1 Electron Microscopes
4.1.1 Picometers
4.1.2 In Black & White
4.2 Light Microscopes
4.2.1 Micrometers
4.2.2 In Colour
4.2.3 Only to x1000
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