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SB2 DNA, Genetic Variation, Biotechnology Review

Total questions: 40

Worksheet time: 34mins

Name
Class
Date
1.
When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to -
a)
contain fewer mutations
b)
be lesser in quantity
c)
be simpler overall
d)
show more variation
2.

Which of the following is an example of a beneficial (good) mutation?

a)

When an organism's lifespan becomes shorter

b)

When an organism becomes unable to reproduce

c)

When an organism's body becomes deformed

d)

When an organism develops immunity to a disease

3.
Two humans believe they are related. Which would be the best technique to determine if they are related? 
a)
testing blood types
b)
comparing DNA
c)
examining karyotypes
d)
testing for genetic disorders
4.
A scientist cloned a goat. Which of these is a true statement about the cloned goat?
a)
It has new genes and traits
b)
It lacks the genes for reproduction
c)
It has the genes that are identical to the original goat
d)
It looks the same but has different genes.
5.
Using a virus to enter a cell and replace defective genes with healthy genes is called
a)
tissue culturing
b)
bioremediation
c)
cloning
d)
gene therapy
6.
A method of separating DNA fragments according to their size and charge using an electric current passed through a gel containing the samples a
a)
Chromosome
b)
DNA Probe
c)
Electrophoresis
d)
Restriction Enzyme
7.

Which process is shown in the image?

a)

crossing over

b)

independent assortment

c)

segregation

d)

mutation

8.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
9.
If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -
a)
identical to only one parent
b)
identical to all of its siblings
c)
a unique combination of traits
d)
the recessive traits of each parent
10.
DNA is often considered the "______________" of life.
a)
Blueprint
b)
Mistake
c)
Swimming Pool
d)
Smelly Cheese
11.

Sexual reproduction happens in

a)

plants only

b)

animals only

c)

some plants and animals

d)

only in one celled organisms

12.
Crossing-over enables chromatids to exchange
a)
centromeres
b)
genes
c)
spindle fibers
d)
histones
13.
Nondisjunction is production of gametes with
a)
exactly 46 chromosomes
b)
identical genes
c)
too many or too few chromosomes
d)
no chromosomes
14.

Which of these does NOT show a frameshift mutation to the Wild Type DNA above?

a)
b)
c)
15.

Which of these shows a point mutation?

a)
b)
c)
16.
What type of chromosomal mutation is this?
a)
Inversion
b)
Translocation
c)
Deletion
d)
Duplication
17.

Any change in the sequence of DNA is a...

a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
18.
Which of the following can increase the rate of mutation?
a)
UV Radiation
b)
Viruses
c)
toxic chemicals 
d)
All of the above
19.

Which of the following is an example of a beneficial mutation?

a)

When an organism's lifespan becomes shorter

b)

When an organism becomes unable to reproduce

c)

When an organism's body becomes deformed

d)

When an organism develops immunity to a disease

20.

Which is NOT a genetic disorder?

a)

color blindness

b)

hemophilia (inability to form blood clots)

c)

Down syndrome

d)

Influenza

21.

The process of creating RNA using DNA as the template is

a)

translation

b)

transcription

c)

translocation

d)

Transylvania

22.

In RNA, uracil takes the place of the DNA nitrogen base called

a)

guanine

b)

cytosine

c)

thymine

d)

adenine

23.

Where does DNA replication take place?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Golgi Body

24.

Which molecule brings the amino acid to the ribosome?

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

25.

What are the building blocks of DNA & RNA, which consist of a five-carbon sugar, a phosphate group, and a nitrogen-containing base?

a)

Genetics

b)

Replication

c)

Nucleotides

d)

Lipids

26.

Which type of RNA brings the information in the genetic code from the nucleus to the ribosome?

a)

rRNA

b)

tRNA

c)

mRNA

d)

RNA polymerase

27.

What molecules do tRNA bring to the ribosomes to make proteins with?

a)

Nucleotides

b)

Lipids

c)

Amino acids

d)

Enzymes

28.

Is binary fission sexual or asexual?

a)

sexual

b)

asexual

29.
The blood stain most likely belongs to 
a)
Bob
b)
Sue
c)
John
d)
Lisa
30.
Which male is the father of this child?
a)
Male 1
b)
Male 2
c)
Neither could be the father
d)
Either could be the father
31.

Which technique would most likely be used by forensic scientists to solve crimes?

a)

Cloning

b)

Gene Therapy

c)

DNA Fingerprinting

d)

Karyotyping

32.

How does each person’s DNA differ?

a)

The bonds in the DNA are all different.

b)

There are different orders of nitrogenous bases.

c)

The phosphates in the DNA are different.

d)

There are different kinds of sugars in the nucleotides.

33.

Which best describes stem cells?

a)

stem cells can only come from embryos

b)

stem cells can only come from adult bone marrow

c)

stem cells do not ever change

d)

stem cells can develop into different specialized cells

34.

The creation of genetically identical organisms

a)

Bioremediation

b)

Cloning

c)

Gene Therapy

d)

Tissue Culturing

35.

GMO stands for

a)

Guaranteed Money Organism

b)

Growing More Organisms

c)

Genetically Modified Organism

d)

Growing Many Organisms

36.

The offspring from asexually reproduced organisms are?

a)

Different than their parents

b)

Identical to parents

c)

Like a combination from both parents

d)

A different species

37.

A portion of DNA reads GAG. The corresponding mRNA would be

a)

GUG

b)

GTG

c)

CTC

d)

CUC

38.

Before the cell divides, what process needs to happen?

a)

Transcription

b)

Translation

c)

Replication

d)

Protein synthesis

39.

In DNA replication, which is a correct base pairing?

a)

A with G

b)

G with T

c)

A with U

d)

A with T

40.

Where does transcription take place?

a)

nucleus

b)

ribosome

c)

cytoplasm

d)

smooth ER

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