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Genetics Unit Review

Total questions: 95

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

Both DNA and RNA are nucleic acids.

a)

True

b)

False

2.

I am usually a single stranded molecule

a)

DNA

b)

RNA

c)

Both

3.

I am generally found both inside and outside of the nucleus.

a)

DNA

b)

RNA

c)

Both

4.

I am arranged as a double helix

a)

DNA

b)

RNA

c)

Both

5.

I am made of guanine, cystosine, adenine, and uracil

a)

DNA

b)

RNA

c)

Both

6.

I am made of guanine, cytosine, adenine, and thymine

a)

DNA

b)

RNA

c)

Both

7.

I am made of nucleotides.

a)

DNA

b)

RNA

c)

Both

8.

I only stay in the nucleus and cannot leave.

a)

DNA

b)

RNA

c)

Both

9.

I contain the sugar deoxyribose.

a)

DNA

b)

RNA

c)

Both

10.

I contain the sugar ribose.

a)

DNA

b)

RNA

c)

Both

11.

I contain the instructions for making thousands of different proteins.

a)

DNA

b)

RNA

c)

Both

12.

I contain the instructions for making just one protein.

a)

DNA

b)

RNA

c)

Both

13.

What does mRNA stand for?

a)

messenger RNA

b)

transfer RNA

c)

mild RNA

d)

machine RNA

14.

What does tRNA stand for?

a)

tall RNA

b)

transfer RNA

c)

messenger RNA

d)

transition RNA

15.

What does rRNA stand for?

a)

rough RNA

b)

right RNA

c)

ribosomal RNA

d)

short DNA

16.

Which type of RNA is a copy of one small section of DNA (gene)?

a)

mRNA

b)

tRNA

c)

rRNA

d)

iRNA

17.

What type of RNA carries amino acids to the place where proteins are made?

a)

mRNA

b)

tRNA

c)

rRNA

d)

uRNA

18.

Which RNA is the place where proteins are made?

a)

mRNA

b)

tRNA

c)

rRNA

d)

dRNA

19.

What type of RNA is shown?

a)

mRNA

b)

tRNA

c)

rRNA

20.

What type of RNA is shown?

a)

mRNA

b)

tRNA

c)

rRNA

21.

What type of RNA is shown?

a)

mRNA

b)

tRNA

c)

rRNA

22.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
23.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
24.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
25.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
26.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
27.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
28.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
29.
Replicate the following strand of DNA: 
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
30.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
31.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
32.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
33.
What is the correct complimentary strand for the following DNA?ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
34.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
35.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
36.
In the diagram strand I and II represent portions of DNA molecule. Strand II would normally include...
a)
AGC
b)
TCG
c)
TAC
d)
GAT
37.
Diagram represents a portion of DNA molecule. The letters represent different types of
a)
sugar molecules
b)
molecular bases
c)
enzymes
d)
proteins
38.
Four different segments of a DNA molecule are represented below. There is an error in the DNA molecule in 
a)
Segment 1 only
b)
segment 3 only
c)
Segment 2 and 3
d)
segment 2 and 4 
39.

What is the outcome of DNA transcription and translation?

a)

Make muscles

b)

Make protein

c)

Make cells

d)

Make DNA

40.

What is the basic unit (monomer) of DNA?

a)

Phosphate Group

b)

Nucleotide

c)

Amino Acid

d)

Monosaccharide

41.

What shape is DNA?

a)

Alpha Helix

b)

Double Helix

c)

Tangled

d)

Flat

42.

DNA is the ​ (a)   of ​ life .​

Choose from the below words
code
signal
source
43.

DNA is found in the (a)   . This is also where mRNA is created.

44.

What is true of RNA? (select all that apply)

a)

Single Strand

b)

Contains uracil

c)

Ribose Sugar

d)

Deoxyribose Sugar

45.

What is true of DNA?

a)

Double Helix

b)

Contains Thymine

c)

Deoxyribose Sugar

d)

Ribose Sugar

46.

The m in mRNA stands for (a)  

47.

What subunits comprise a ribosome?

a)

large and small

b)

big and little

c)

big and small

d)

large and little

48.

Which amino acid will be added to a protein chain if the codon is UAA?

a)

Ser

b)

Lys

c)

Ala

d)

STOP

49.

What describes a change in the DNA sequence?

a)

Transcription

b)

Translation

c)

DNA replication

d)

Mutation

e)

Apoptosis

50.

What describes programmed cell death?

a)

Transcription

b)

Translation

c)

DNA replication

d)

Mutation

e)

Apoptosis

51.

What type of mutation involves substituting a DNA base with a different base?

a)

point mutation

b)

frameshift mutation

c)

silent mutation

d)

chromosomal mutation

52.

What type of mutation involves substituting a DNA base with a different base but still forms the same protein?

a)

point mutation

b)

frameshift mutation

c)

silent mutation

d)

chromosomal mutation

53.

What type of mutation involves adding or deleting bases from the DNA, which results in new codons (a shift in the reading of the codons)?

a)

point mutation

b)

frameshift mutation

c)

silent mutation

d)

chromosomal mutation

54.

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC GAC TCG AAT

What type of mutation has occurred?

a)

Chromosomal mutation

b)

Point mutation

c)

Frameshift mutation

d)

No mutation occurred

55.

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC GTA CTT GAA T

What type of mutation has occurred?

a)

Chromosomal mutation

b)

Point mutation

c)

Frameshift mutation due to adding extra base

d)

Frameshift mutation due to deletion of base

56.

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC GAC TTG AAT

What type of mutation has occurred?

a)

Chromosomal mutation

b)

Point mutation

c)

Frameshift mutation

d)

No mutation occurred

57.

What type of chromosomal mutation occurred?

a)

chromosomal insertion/duplication

b)

chromosomal deletion

c)

chromosomal inversion

d)

chromosomal translocation

58.

What type of chromosomal mutation occurred?

a)

chromosomal insertion/duplication

b)

chromosomal deletion

c)

chromosomal inversion

d)

chromosomal translocation

59.

What type of chromosomal mutation occurred?

a)

chromosomal insertion/duplication

b)

chromosomal deletion

c)

chromosomal inversion

d)

chromosomal translocation

60.

What type of chromosomal mutation occurred?

a)

chromosomal insertion/duplication

b)

chromosomal deletion

c)

chromosomal inversion

d)

chromosomal translocation

61.

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC ACT TGA AT

What type of mutation has occurred?

a)

Chromosomal mutation

b)

Point mutation

c)

Frameshift mutation due to addition of base

d)

Frameshift mutation due to deletion of base

62.

What are considered "negative" mutations?

a)

mutations in the DNA sequence that changes the resulting protein and harms the organism

b)

mutations in the DNA sequence that changes the resulting protein and benefits the organism

c)

mutations in the DNA sequence that produces the same protein

d)

all mutations are considered bad and harm the organisms

63.

What are considered "positive" mutations?

a)

mutations in the DNA sequence that changes the resulting protein and harms the organism

b)

mutations in the DNA sequence that changes the resulting protein and benefits the organism

c)

mutations in the DNA sequence that produces the same protein

d)

all mutations are considered bad and harm the organisms

64.

What are considered neutral mutations?

a)

mutations in the DNA sequence that changes the resulting protein and harms the organism

b)

mutations in the DNA sequence that changes the resulting protein and benefits the organism

c)

mutations in the DNA sequence that produces the same protein

d)

all mutations are considered bad and harm the organisms

65.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

66.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

67.

True or False? Before cells undergo meiosis they pass through interphase first.

a)

true

b)

false

68.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

69.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

70.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

71.

In Metaphase I, tetrads line up along the _______.

a)

mitotic spindle

b)

centrosomes

c)

equatorial plane

d)

contractile ring

72.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

73.

In Prophase II, the_________ reforms and the spindle fibers attach to each chromosome.

a)

mitotic spindle

b)

centrosomes

c)

nucleus

d)

cell plate

74.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

75.

In Anaphase II, the _________ separate.

a)

Homologues

b)

Sister Chromatids

c)

Tetrads

d)

Centrioles

76.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

77.

True or False. In Meiosis II, there are TWO cells that go through each phase at the same time.

a)

true

b)

false

78.

The products of MEIOSIS have _______ number of chromosomes.

a)

haploid

b)

diploid

79.
The process of changing the genetic material of a living organism 
a)
Genetic Modification
b)
Taxonomy
c)
Adapting
d)
Bioremediation
80.
A lab technique used in crime fighting to prove a suspects innocence or guilt is known as:
a)
genetic engineering
b)
PCR
c)
electrophoresis
d)
gene therapy
81.
What is recombinant DNA?
a)
Adding DNA from one organism into the DNA of another
b)
DNA which has been changed over generations by natural selection
c)
DNA that causes genetic disorders
d)
DNA that has been sequenced
82.
Another name for GMO (Genetically Modified Organsim) is ____________.
a)
Transgenic
b)
Transplanted
c)
Transducted
d)
Plasmid
83.
True or False: Gel electrophoresis allow scientist to compare DNA of different individuals.
a)
True
b)
False
84.

Which suspect left the blood stain?

a)

Bob

b)

Sue

c)

John

d)

Lisa

85.

Which molecule represents RNA (ribonucleic acid)?

A
B
C
D
86.

RNA stands for ​​ (a)   . The sugar in RNA is ​ (b)   . RNA is ​​ (c)   stranded.​

Choose from the below words
ribonucleic acid
deoxyribonucleic acid
ribose
deoxyribose
single
double
87.

Which base pairs with A in RNA? ​ (a)  

Choose from the below words
U
T
G
C
88.

Match the following

a)

3 consecutive nitrogen bases that specify an amino acid

1.

codon

b)

3 bases complementary to mRNA codon located on tRNA

2.

anticodon

c)

type of single stranded RNA that carries genetic information from DNA to the ribosome where proteins are made

3.

mRNA

d)

single stranded RNA molecule that delivers amino acids to the growing polypeptide chains

4.

tRNA

89.

14.2 The “language” of RNA is called the (a)   , and it uses three-letter “words” called​ (b)   .

Choose from the below words
genetic code
codons
amino acids
nucleotides
transcription strategy
nucleotide strategy
90.

In RNA, A pairs with (a)   and C pairs with (b)  

Choose from the below words
G
U
T
A
C
91.

Label the image

a)A
b)G
c)sugar-phosphate backbone
d)stores genetic info
e)Hydrogen bond
f)T
g)C
1
2
3
4
5
1)
2)
3)
4)
5)
92.

Tap on the part of DNA that is the code for your traits

A
B
C
93.

Label the parts of the DNA strand:

A. ​ (a)  

B. ​ (b)  

C. ​ (c)  

D. ​ (d)  

Choose from the below words
Hydrogen Bond
Phosphate Group
Deoxyribose Sugar
Nitrogen Base
94.

Move the nucleotide parts to their spot

a)phosphate
b)base
c)ribose (sugar
1
2
3
1)
2)
3)
95.

In your groups, label the parts of the DNA structure.

a)DNA
b)Chromosome
c)Gene
d)Deoxyribose
e)Hydrogen Bonds
f)Nucleotide
g)Nitrogenous Base
h)Phosphate Group
1
2
3
4
5
6
7
8
1)
2)
3)
4)
5)
6)
7)
8)

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