AnswersCMS 2026-2027 Biology CREDIT RECOVERYApplications of DNA Technology

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3

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
DNA fingerprinting
C
paternity testing
D
recombinant DNA technology
6

All of these 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.
7

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

A
to enhance the flavor of vaccines so people are more likely to use them
B
to diminish negative side effects that may occur from administering vaccines with syringes
C
to make vaccines that are capable of lasting years in the body to prevent future infections
D
to prevent widespread diseases in developing countries without using syringes
8

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
mtDNA (mitochondrial DNA) analysis
B
Y-chromosome analysis
C
STRs (short tandem repeats)
D
PCR (polymerase chain reaction) analysis
9

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
STRs (short tandem repeats)
B
mtDNA (mitochondrial DNA) analysis
C
VNTRs (variable tandem repeats)
D
PCR (polymerase chain reaction) analysis
10

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
fruit with a vaccine
D
butter squash that have high nutritional value

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