FSC100 Chapter 4 UPDATED ACTUAL Questions and CORRECT
Answers
1. Who was Sir calculated possibility of there being more than 64 billion different fingerprints; no
Francis Galton? 2 identical fingerprints
2. When do fric- during 3rd month of fetal development; never change until final disintegration
tion ridge pat-
terns form?
3. What do identical same genetic makeup, can have same type of pattern on corresponding fingers,
twins have? different fingerprints
4. What is unique to fingerprints, palmprints, footprints, lip prints, ear prints
individuals?
5. What is the most fingerprints
infallible source
of personal iden-
tification?
6. What is dacty- fingerprint identification, comparison of impressions made by friction ridges
loscopy?
7. What are the 3 loops, whorls, arches
classes of gener-
al patterns of all
fingerprints
8. Which class pat- loops (60-65%)
tern is most pop-
ular?
9. Which class pat- arches (5%)
tern is most rare?
,10. 30-35%
, What percent-
age of popula-
tion have whorls?
11. What are the two ulnar, radial
major loops?
12. What is an ulnar flowing toward little finger
loop?
13. What is a radial flowing toward thumb
loop?
14. What are the plain, central pocket loop, double loop, accidental
4 major whorl
classes?
15. What are the 2 plain, tented
major arches?
16. What is a plain smooth flow of friction ridges
arch?
17. What is a tented spike in central pattern area
arch?
18. What is an identi- both have core and delta identifying characteristics
fying characteris-
tic of both loops
and whorls?
19. What do fin- reproduction of friction skin ridges on palm side of fingers
gerprints come
from?
Answers
1. Who was Sir calculated possibility of there being more than 64 billion different fingerprints; no
Francis Galton? 2 identical fingerprints
2. When do fric- during 3rd month of fetal development; never change until final disintegration
tion ridge pat-
terns form?
3. What do identical same genetic makeup, can have same type of pattern on corresponding fingers,
twins have? different fingerprints
4. What is unique to fingerprints, palmprints, footprints, lip prints, ear prints
individuals?
5. What is the most fingerprints
infallible source
of personal iden-
tification?
6. What is dacty- fingerprint identification, comparison of impressions made by friction ridges
loscopy?
7. What are the 3 loops, whorls, arches
classes of gener-
al patterns of all
fingerprints
8. Which class pat- loops (60-65%)
tern is most pop-
ular?
9. Which class pat- arches (5%)
tern is most rare?
,10. 30-35%
, What percent-
age of popula-
tion have whorls?
11. What are the two ulnar, radial
major loops?
12. What is an ulnar flowing toward little finger
loop?
13. What is a radial flowing toward thumb
loop?
14. What are the plain, central pocket loop, double loop, accidental
4 major whorl
classes?
15. What are the 2 plain, tented
major arches?
16. What is a plain smooth flow of friction ridges
arch?
17. What is a tented spike in central pattern area
arch?
18. What is an identi- both have core and delta identifying characteristics
fying characteris-
tic of both loops
and whorls?
19. What do fin- reproduction of friction skin ridges on palm side of fingers
gerprints come
from?
