Ch. 3: Hair Analysis

Question 1

A compound microscope that allows the side-by-side comparison of samples, such as hair or fibers

Answer 1

Comparison microscope

Question 2

The region of a hair located outside the medulla that contains granules of pigment

Answer 2

Cortex

Question 3

The tough outer covering of a hair that is composed of overlapping scales

Answer 3

Cuticle

Question 4

A method of separating chemicals to establish their quantities

Answer 4

Gas chromatography

Question 5

The actively growing base of a hair that contains DNA and living cells

Answer 5

Hair follicle

Question 6

Part of the hair above the follicle; contains mitochondrial DNA

Answer 6

Hair shaft

Question 7

A type of fibrous protein that makes up the majority of the cortex of a hair

Answer 7

Keratin

Question 8

The central core of a hair

Answer 8

Medulla

Question 9

Bits of pigment found in the cortex of a hair

Answer 9

Melanin granules

Question 10

Genetic material in the mitochondria of the cytoplasm of a cell; only inherited from the mother

Answer 10

Mitochondrial DNA (mtDNA)

Question 11

Genetic material in the nucleus of a cell

Answer 11

Nuclear DNA