Vocabulary Terms
What pattern has at least 2 deltas and a core?
Whorl
What does iodine react with to show a print?
carbohydrates
35% of all fingerprints are this pattern
Whorl
What does silver nitrite react with to form a print?
Salts
When do fingerprints form?
10th week of gestation
What does ninhydrin react with to form a print?
Proteins (amino acids)
What determines which powder should be used on a print?
Background color, texture
What is the difference between a radial loop and an ulnar loop?
radial enters towards the little finger, ulnar enters towards the thumb
DOUBLE JEOPARDY!!!!!!!!!!!
Name 10 minutae or ridge marks.
delta, core, bifurcation(fork), island(eye), dot, lake, bridge, crossover, ending ridge, hook, enclosure