Applications of DNA Technology Answers

10 verified answers
1
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Which career combines DNA technology and medicine?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
biopesticide development
2
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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

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.
7

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
8

Which career combines DNA technology and forensics?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
genetics
9

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
11

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

A
modifying pests
B
surviving droughts
C
growing organically
D
maturing longer
12

Which career combines DNA technology and forensics?

A
pharmaceuticals
B
paternity testing
C
environmental studies
D
genetics
13

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

A
insulin
B
flu shot
C
penicillin
D
human growth hormone
14

The apples at the local supermarket have been genetically engineered to resist warmer temperatures than they did before. What do these apples contain?

A
transgenic DNA
B
transgenic organisms
C
recombinant DNA
D
recombinant organisms
15

Which career combines DNA technology and agriculture?

A
pharmaceuticals
B
paternity testing
C
nutriceuticals
D
genetics
16

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
17

The FBI uses STR (short tandem repeat) analysis to identify criminals, and the FBI stores the information in a database. How many regions, or loci, of DNA are used for STR analysis?

A
5
B
13
C
26
D
30
18

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
19

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

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