AnswersBiology_A_ICThe Basis of DNA Technology

Applications of DNA Technology Answers

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Forensic scientists can match missing persons and their families by matching maternal DNA to the missing individual. Which type of DNA technology is used for this purpose?

A
Y-chromosome analysis
B
mtDNA (mitochondrial DNA) analysis
C
PCR (polymerase chain reaction) analysis
D
STRs (short tandem repeats)
3

What is the purpose of using genetic engineering to develop edible vaccines?

A
to make vaccines that are capable of lasting years in the body to prevent future infections
B
to diminish negative side effects that may occur from administering vaccines with syringes
C
to enhance the flavor of vaccines so people are more likely to use them
D
to prevent widespread diseases in developing countries without using syringes
4

Which genetically modified organism will best prevent farmers from losing their crops during transport to grocery stores?

A
oranges that have a prolonged shelf life
B
corn with a high yield
C
butter squash that have high nutritional value
D
fruit with a vaccine
5

Which career combines DNA technology and forensics?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
genetics
8

All of the following are ways in which DNA technology plays a role in medicine except

A
identifying mutations.
B
producing insulin and growth hormone.
C
tracking how a condition is passed between generations.
D
examining paternity.
10

Which process could a forensic scientist use to analyze a DNA sample from a crime scene to identify a criminal?

A
Y-chromosome analysis
B
recombinant DNA technology
C
DNA fingerprinting
D
paternity testing
12

Often only small amounts of DNA are found at a crime scene. Which technique uses an enzyme to replicate DNA regions from a small sample of DNA for use in DNA fingerprinting?

A
VNTRs (variable tandem repeats)
B
PCR (polymerase chain reaction) analysis
C
STRs (short tandem repeats)
D
mtDNA (mitochondrial DNA) analysis
14

Which career combines DNA technology and agriculture?

A
pharmaceuticals
B
paternity testing
C
nutriceuticals
D
genetics
15

Which is an advantage that crops may attain through genetic engineering?

A
modifying pests
B
surviving droughts
C
growing organically
D
maturing longer

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