Unit 2

Question 1

chromosomes

Answer 1

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. There are sex chromosomes and autosomes

Question 2

CODIS

Answer 2

a computer software program that operates local, state, and national databases of DNA profiles from convicted offenders, unsolved crime scene evidence, and missing persons. Automated Tags.

Question 3

core fingerprints

Answer 3

A structure in the print that is the center line or lines of the print; it is important for conducting ridge counts.

Question 4

dactylography

Answer 4

The science of using fingerprints to uniquely identify people.

Question 5

Delta prints

Answer 5

A triangular type formation in the friction ridge flow, where ridges. flowing in the different directions meet.

Question 6

DNA

Answer 6

the molecule of life and contains the genetic instructions in the development of all living organisms.

Question 7

DNA analysis

Answer 7

DNA profiling is the determination of a DNA profile for legal and investigative purposes.

Question 8

DNA fingerprinting

Answer 8

a laboratory technique used to determine the probable identity of a person based on the nucleotide sequences of certain regions of human DNA that are unique to individuals.

Question 9

DNA profile

Answer 9

a forensic technique in criminal investigations, comparing criminal suspects’ profiles to DNA evidence so as to assess the likelihood of their involvement in the crime

Question 10

electrophoresis

Answer 10

s a laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.

Question 11

follicular tag

Answer 11

s tissue from a hair follicle that is still attached to the root end of a hair.

Question 12

hair shaft including its parts

Answer 12

the cuticle, the cortex, and sometimes the medulla. The cuticle is the outermost layer. Made of flattened cells that overlap like the tiles on a terra-cotta roof, the cuticle protects the inside of the hair shaft from damage.

Question 13

IAFIS

Answer 13

an electronic database that contains electronic fingerprint records from federal, state, and local law enforcement agencies across the country.

Question 14

latent prints

Answer 14

an impression of the friction skin of the fingers or palms of the hands that has been transferred to another surface.

Question 15

LDIS

Answer 15

the local portion of the national DNA database called the Combined DNA Index System (CODIS).

Question 16

NDIS

Answer 16

provides funding to eligible people with disability to gain more time with family and friends, greater independence, access to new skills

Question 17

minutiae

Answer 17

the small, precise, or trivial details of something.

Question 18

natural fibers

Answer 18

seed hairs, such as cotton; stem (or bast) fibres, such as flax and hemp;leaf fibres, such as sisal; and husk fibres, such as coconut.

Question 19

neutron activation analysis

Answer 19

an analytical technique that relies on the measurement of gamma rays emitted from a sample that was irradiated by neutrons.

Question 20

macroscopic

Answer 20

visible to the naked eye; not microscopic.

Question 21

patent print

Answer 21

what’s left when you have liquid on your fingers—ink or blood, for example—and touch a smooth surface

Question 22

plastic print

Answer 22

impressions made when you touch something soft and malleable like wax or fresh paint.

Question 23

SDIS

Answer 23

State DNA Index System which is located at the Forensic Investigative Center in Albany, NY. 2 NDIS stands for the National DNA Index System which is located at the FBI laboratory.

Question 24

synthetic fibers

Answer 24

produced by joining chemical monomers into polymers using a chemical reaction called polymerisation.

Question 25

textile

Answer 25

a type of cloth or woven fabric.

Question 26

thread count

Answer 26

the number of threads or strands per square inch of fabric, counting horizontal and vertical threads.

Question 27

trichology

Answer 27

the science of the structure, function and diseases of the human hair

Question 28

types of fingerprint patterns arch, loop, whorl

Answer 28

Loops - prints that recurve back on themselves to form a loop shape. …
Whorls - form circular or spiral patterns, like tiny whirlpools. …
Arches - create a wave-like pattern and include plain arches and tented arches.

Question 29

weave pattern

Answer 29

Weave patterns are determined by number of threads jumped as weave over and under.

Question 30

wool

Answer 30

the fine, soft curly or wavy hair forming the coat of a sheep, goat, or similar animal, especially when shorn and prepared for use in making cloth or yarn.