Module 3

Question 1

probative value

Answer 1

provides proof of a crime

Question 2

associative evidence

Answer 2

puts suspect at crime scene but not saying they committed the murder

Question 3

produce rule

Answer 3

how often is it found in nature

Question 4

class evidence

Answer 4

group characteristics
-blood type, fibers, paint

Question 5

individual evidence

Answer 5

narrow down to single source

Question 6

trace evidence

Answer 6

created when objects come into contact w each other (can be man-made or natural)
- hair, fiber, paint, glass, soil, sand, plant material

Question 7

Human can determine

Answer 7

human or animal
origin
manner in which removed
treated hair
drugs injested

Question 8

Part of hair: shaft

Answer 8

sticks out of head
-see
only m-dna (mitochondrial) on moms side

Question 9

Part of hair: root

Answer 9

lies below epidermis

Question 10

Part of hair: follicle

Answer 10

hair grows-white bulb

Question 11

3 types of animal hair

Answer 11

guard hairs: outer coat of animal(protection)
fur hair: inner coat (insulation)
tactile: on head(sensory)

Question 12

Human Hair types (6)

Answer 12

head: longest
facial: coarse
limb (leg): shorter
fringe: neck. side burns, abdomen
other: chest, underarms(auxiliary)

Question 13

medulla

Answer 13

outer layer made of keratin and embedded w pigment

Question 14

melanin:

Answer 14

pigment

Question 15

cortical fusi

Answer 15

gives curls (air spaces)

Question 16

anagen

Answer 16

hair growing

Question 17

catagen

Answer 17

hair at rest

Question 18

telogen

Answer 18

dying

Question 19

hair comparison

Answer 19

color, length, diameter, medulla

Question 20

epidermis

Answer 20

outer layer of skin

Question 21

subcutaneous tissue

Answer 21

fatty tissue under dermis

Question 22

dermis

Answer 22

beneath edpidermis

Question 23

arrector pili muscle

Answer 23

contracts in reaction to cold (connected to every hair)

Question 24

melanocyte

Answer 24

more: darker hair
less: lighter
produces melanin

Question 25

Pacinian corpuscle

Answer 25

nerve reaction to pressure

Question 26

sebaceaous gland

Answer 26

produces oil

Question 27

sweat gland

Answer 27

produces sweat