Question

g) hair and race

1. the cross - section of hair reveals curliness or
2. this can give clues to or background.
3. people with more west african ancestry tend to have skin and curlier hair.
4. people with more european ancestry tend to have lighter pigmentation and hair.
5. variation in hair is vast, so analysis provides only a categorization.

h) hair as class evidence

• hair is considered evidence.
• without the, it cannot identify an individual.
• with the follicle, dna may be extracted to help identify suspects.

i) treated & cut hair

1. hair changes the color of the shaft.
2. dyed hair can often be recognized as.
3. the appearance of the of the hair shaft is a useful comparison.
4. forensic experts may estimate the time since the last.

j) innocence project

1. first exoneration using mitochondrial dna occurred in.
2. the innocence project began in the.
3. by 2012, the group found nearly 25% of wrongful convictions were linked to hair analysis.

Explanation:

1. The cross - section of hair can show straightness in addition to curliness. Hair characteristics can give clues about ethnic or ancestral background. West African - ancestry people often have darker skin and curlier hair, while European - ancestry people have lighter pigmentation and straighter hair. Hair variation is large, so analysis gives only a general categorization. Hair is class evidence. Without the follicle, it can't identify an individual, but with the follicle, nuclear DNA can be extracted. Dyed hair changes the shaft color and can be recognized as such. The tip of the hair shaft is useful for comparison and forensic experts can estimate time since last haircut. The first exoneration using mitochondrial DNA was in 1989, the Innocence Project began in the 1990s, and by 2012, nearly 25% of wrongful convictions were linked to hair analysis.

Answer:

1. straightness
2. ethnic; ancestral
3. darker
4. straighter
5. general

H) class; follicle; nuclear
I) 1. Dyed

1. dyed
2. tip
3. haircut

J) 1. 1989

1. 1990s
2. 25