Biology 7

Question 10.5 pts

Gene _______________ is when a corrected copy of a gene is introduced into a cell to fix a mutated copy.

 

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Question 20.5 pts

The delivery system for gene therapy is called a ___________________.

 

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Question 30.5 pts

Currently, the vector of choice is a

Group of answer choices

virus

pipette

gene gun

bacteria

 

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Question 40.5 pts

Which of the following is a characteristic of an ideal vector?

Group of answer choices

it must be easy to manufacture in large quantities

it must target a specific tissue

it must not trigger an immune response

all choices are correct

 

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Question 50.5 pts

Some viruses naturally integrate their viral DNA into the DNA of the cell they infect.

Group of answer choices

True

False

 

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Question 60.5 pts

When using a virus as a vector, most of the viral genes are left intact.  

Group of answer choices

True

False

 

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Question 70.5 pts

Ex vivo vector delivery involves

Group of answer choices

removing the target cells from the body before the vector delivers the gene of interest

delivering the gene of interest through a blood transfusion

using a bacterium to deliver the gene of interest

inserting the vector into the body to find the cells they are supposed to infect

 

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Question 81 pts

Which of the following is not a characteristic of an ideal vector?

Group of answer choices

must be easily made in large quantities

must target a specific tissue

must be able to infect every cell in the body

must be able to integrate the DNA into each cell of the target tissue

 

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Question 91 pts

One of the major goals of gene therapy is to supply genes to provide desired functions that have been lost or are missing.  

Group of answer choices

True

False

 

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Question 100.5 pts

Why is a condition like alcoholism not likely to be treated with gene therapy?

Group of answer choices

the exact gene(s) involved aren't known

it is likely polygenic

all choices are correct

there are environmental factors

 

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Question 110.5 pts

Which of the following is an example of a disease that has been successfully treated with gene therapy?

Group of answer choices

muscular dystrophy

Severe Combined Immunodeficiency (SCID)

HIV

Huntington's disease

Question 10.5 pts

Forensic ________________ is the exploration of DNA evidence fro legal purposes.

 

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Question 20.5 pts

DNA fingerprinting is also known as DNA ______________________ and is the process of uncovering patterns in DNA.

 

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Question 30.5 pts

Gene sequences are the segments of DNA used to create a DNA fingerprint.

Group of answer choices

True

False

 

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Question 40.5 pts

Which of the following is an example of a short tandem repeat (STR)?

Group of answer choices

all are examples of STRs

AGCGGCTCAAGC

ATCTGTCTATGT

ATCATCATCATC

 

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Question 50.5 pts

A person can be heterozygous for a particular STR loci.

Group of answer choices

True

False

 

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Question 60.5 pts

PCR is a process used to

Group of answer choices

cut DNA at specific sites

introduce DNA into a cell

separate DNA by size

make thousands of copies of fragments of DNA

 

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Question 70.5 pts

The U.S. database of DNA fingerprints is called

Group of answer choices

STR

PCR

CODIS

GINA

 

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Question 80.5 pts

DNA evidence alone can prove someone committed a crime.

Group of answer choices

True

False

 

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Question 90.5 pts

Gel electrophoresis separates DNA fragments by

Group of answer choices

size

sequence

all choices are correct

amount of DNA present

 

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Question 100.5 pts

DNA fingerprinting can be used for

Group of answer choices

all choices are correct

exonerating those wrongfully convicted of a crime

identifying those involved in mass fatalities

probability of paternity

Question 10.5 pts

Moving genes from one organism to another is called genetic modification or ________________________.

 

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Question 20.5 pts

Almost all domesticated plants and animals are due to some type of genetic modification.  

Group of answer choices

True

False

 

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Question 30.5 pts

Selective breeding practices that have led to the different breeds of the domestic dog is an example of genetic modification.  

Group of answer choices

True

False

 

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Question 40.5 pts

Induced mutations have been used to genetically modify food crops.

Group of answer choices

True

False

 

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Question 50.5 pts

What characteristic of plants makes them good candidates for genetic manipulation?

Group of answer choices

they grow quickly

they are easily mutated

they can be infected with bacteria

their cells are totipotent

 

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Question 60.5 pts

Which of the following are ways that scientists introduce new genes into plants?  Choose all that apply.

Group of answer choices

using a biological vector

using a pipette

using a gene gun

using DNA polymerase

 

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Question 70.5 pts

Transgenic plants were initially produced to make larger fruit and prettier flowers.  

Group of answer choices

True

False

 

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Question 80.5 pts

What is Bt corn genetically modified to do?

Group of answer choices

grow faster

resist drought conditions

be more nutritious

resist insects

 

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Question 90.5 pts

Which of the following animals have been successfully genetically modified using transgenics?

Group of answer choices

fish

mice

rhesus monkey

all choices are correct

 

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Question 100.5 pts

Scientists are trying to develop genetically modified mosquitos that can not transmit infectious agents like malaria and Zika virus.  

Group of answer choices

True

False

 

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Question 110.5 pts

What organism has been genetically modified to make human insulin?

Group of answer choices

cows

bacteria

corn

pigs

 

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Question 120.5 pts

What process has been used to genetically modify mushrooms to resist browing?

Group of answer choices

gene therapy

PCR

cloning

CRISPR