AnswersFall 24 GSE Biology A ICLab: Mouse Genetics (Two Traits)

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)
2
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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
3

Which career combines DNA technology and medicine?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
biopesticide development
4

Which career combines DNA technology and agriculture?

A
pharmaceuticals
B
paternity testing
C
nutriceuticals
D
genetics
5

Which career combines DNA technology and forensics?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
genetics
6

While investigating a break-in, the police discover that the intruder was cut on the broken window that he or she used to enter the house and left a sample of blood behind. Soon after the crime, the police apprehend a suspect and obtain a DNA sample. Which process is most likely to be used to determine whether the blood on the glass belongs to the suspect?

A
PCR analysis
B
STR analysis
C
mtDNA analysis
D
Y-chromosome analysis
7

Tsar Nicholas II and Tsarina Alexandra were the Romanov rulers of Russia when the Bolshevik revolution took place in 1917. During this revolution, Tsar Nicholas II was overthrown, and the majority of his family members were killed. The remains of two of the Tsar and Tsarina’s children, Alexei and Anastasia, were never found. Suppose two people came forward who claim to be the missing Romanovs. Which technology could only be used to identify Alexei?

A
DNA technology
B
STR analysis
C
mtDNA analysis
D
Y-chromosome analysis
8

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
9

Which genetically engineered hormone is used to control glucose levels in humans?

A
insulin
B
flu shot
C
penicillin
D
human growth hormone
10

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

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