WorksheetsGenetics Exam
Total questions: 75
Worksheet time: 38mins
Name
Class
Date
1.
What is the shape of RNA?
a)
Double Helix
b)
Single Helix
c)
Triple Hexagon
d)
Quad Bases
2.
What is the second step in protein synthesis?
a)
Translation
b)
Synthesis
c)
Transcription
d)
Metaphase
3.
How many types of amino acids are there?
a)
15
b)
22
c)
21
d)
20
4.
What sugar does RNA contain?
a)
phosphate
b)
fatty acid
c)
ribose
d)
sugra
5.
For RNA, what is Thymine replaced with?
a)
Uracil
b)
tRNA
c)
mRNA
d)
Ribo
6.
What are proteins made of?
a)
RIbosomes
b)
Amino Acids
c)
Pedigree
d)
2 Nitrogen Bonds
7.
What does RNA stand for?
a)
Ribosenucleic Acid
b)
Ribnose Acid
c)
Ribonucleic Acid
d)
Riba Nuke Leic Acid
8.
What mRNA code would bond with this DNA code? TAT GGC ATC
a)
UAU CCG AUG
b)
GCG AAU CGU
c)
AUA CCG UAG
9.
Which process is used to make mRNA from DNA in the nucleus?
a)
transcription
b)
replication
c)
translation
10.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
GCATCC
c)
ATGCTT
d)
GCAUCC
11.
One difference between DNA and RNA is....
a)
Only RNA has the base Uracil
b)
Only RNA contains the base Cytosine
c)
Only RNA contains the base Thymine
d)
Only RNA contains the base Guanine
12.
True or False: DNA is double stranded
a)
True
b)
False
13.
Which of these bases does not exist in RNA?
a)
Cytosine (C)
b)
Uracil (U)
c)
Thymine (T)
d)
Adenine (A)
14.
___________ is made during transcription and ___________ is made during translation.
a)
mRNA/a protein
b)
Ribosome/Nucleus
c)
a protein/mRNA
d)
mRNA/tRNA
15.
How many amino acids are coded for by this sequence of bases? ATG GGA ACT CCA
a)
4
b)
6
c)
2
d)
12
16.
In comparison to a DNA strand, a(n)
a)
mRNA strand is shorter and single stranded
b)
mRNA strand is shorter and double stranded
c)
mRNA strand is longer and single stranded
d)
mRNA strand is longer and double stranded
17.
What are the 4 nitrogen bases of DNA?
a)
Adenine, Thymine, Cytoplasm, and Guanine
b)
Adenine, Thymine, Cytosine, and Glycerol
c)
Adenine, Thymine, Cytosine, and Guanine
d)
Adenine, Thymine, Cytosine, and Glucose
18.
Nucleotides are made of of a sugar, phosphate, and.....
a)
nitrogenous base
b)
cholesterol
c)
nucleic acid
d)
fatty acid
19.
Which of the following is the sugar found in DNA?
a)
Ribose
b)
Maltose
c)
Deoxyribose
d)
Amylose
20.
The bonds that hold two strands of DNA together come from......
a)
Carbon to carbon bonds in the sugar
b)
strong bonds between bases and sugars
c)
the attraction of phosphate groups
d)
weak hydrogen bonds between the bases
21.
Name this structure
a)
Nucleotide
b)
Nitrogenous Base
c)
Hydrogen Bond
d)
Ribose Sugar
22.
Which enzyme is responsible for making RNA?
a)
RNA polymerase
b)
RNA proliferase
c)
RNA enzymase
d)
DNA polymerase
23.
Codons contain ______ bases
a)
1
b)
3
c)
6
d)
9
24.
What is the RNA code synthesized from a section of DNA with the code: GATTACA?
a)
CUAAUGU
b)
GAUUCA
c)
GATTACA
d)
CTAATGA
25.
The enzyme that replicates DNA is called
a)
RNA Intrase
b)
Transcriptase
c)
RNA Polymerase
d)
DNA Polymerase
26.
Protein Synthesis takes place on the
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Golgi Apparatus
27.
tRNA molecules match the mRNA condons with an amino acid using:
a)
Methylated Cap
b)
Base Pariring
c)
Transcription
d)
Introns
28.
The codon UAC would have a match of:
a)
AUG
b)
CAU
c)
TAC
29.
Translation is a process that produces
a)
Ribosomes
b)
tRNA
c)
Protein
d)
mRNA
30.
The process of copying a gene's DNA sequence into a sequence of RNA is called:
a)
Translation
b)
Transcription
c)
Splicing
d)
Protein Synthesis
31.
In RNA, Uracil pairs with ______.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
32.
DNA has a ___________ structure
a)
Ring
b)
Single Helix
c)
Double Helix
d)
Chain
33.
In DNA, Adenine pairs with _________.
a)
Guanine
b)
Uracil
c)
Thymine
d)
Cytosine
34.
A mutation that involves a change in the entire chromosome
a)
Point Mutation
b)
Gene Mutation
c)
Chromosomal Mutation
d)
Frameshift Mutation
35.
How many codons are needed to specify for five amino acids?
a)
5
b)
30
c)
15
d)
3
36.
Choose the nucleotide sequence of the replicated DNA strand that would be complementary to the original DNA strand: GTAGTCA
a)
CAUCAGU
b)
ACGACTG
c)
CATCAGT
d)
UATUAGA
37.
What is the correct amino acid sequence for the mRNA code AUGCAAGUGUAA?
a)
Tyr-Gly-His
b)
Met-Glu-Val
c)
Tyr-Gly-Arg-His
d)
Met-Gly-Val
38.
What amino acid is represented by the codon UUA?
a)
Leucine
b)
Tyrosine
c)
Stop Codon
d)
Phenylalanine
39.
Which is the mRNA molecule that would be transcribed from this DNA template: TGGCAAGTACGT
a)
UGGCAAGUACGU
b)
ACCGTTCATGCA
c)
ACCGUUCAUGCA
d)
UCCGUUCUUGCU
40.
What process is going on in this photo?
a)
Translation
b)
Replication
c)
Transcription
d)
All of the Above
41.
21 nitrogen bases will provide how many codons? (Remember: a codon is composed of 3 nitrogen bases)
a)
7
b)
9
c)
5
d)
3
42.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?
a)
Met-Pro-Val
b)
Tyr-Gly-His
c)
Met-Ser-Ala-Val
d)
Tyr-Gly-Arg-His
43.
The codon CCU codes for what amino acid?
a)
Stop
b)
Methionine
c)
Proline
d)
Isoleucine
44.
Which amino acid pairs with the codon AGA?
a)
Glu
b)
Ala
c)
Arg
d)
Thr
45.
Which amino acid pairs with the codon CAU?
a)
His
b)
Thr
c)
Ser
d)
Ala
46.
What does this image represent? (Hint: Thymine was accidentally substituted with Cytosine during replication)
a)
Translation
b)
Transcription
c)
tRNA
d)
Mutation
47.
What is occurring in this picture?
a)
Transcription
b)
Translocation
c)
Translation
d)
Replication
48.
Which of the following best describes a DNA molecule?
a)
Double Helix
b)
Made of Nucleotides
c)
Contains Deoxyribose
d)
All answers describe a DNA molecule
49.
A nucleotide includes.......
a)
Phosphate group
b)
Nitrogenous Base
c)
Sugar
d)
All of the above
50.
Why is DNA important?
a)
It's in everything
b)
It serves as the blueprint for making proteins
c)
It is very small and very complicated
d)
We eat it everyday for energy
51.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
Deoxyribose Sugar and Phosphate
b)
Sugar and Nucleus
c)
Deoxyribose and a Hydrogen Bond
d)
Doexyribose and Adenine
52.
Which shows the correct complimentary base pairing for DNA?
a)
C=G, U=A
b)
T=A, G=C
c)
C=A, T=G
d)
A=G, C=T
53.
What does DNA stand for?
a)
Doexyribonucleic Acid
b)
Diribonucleic Acid
c)
Deribonucleic Acid
d)
Denitrogenous Acid
54.
Mutation that involves a change in a single gene
a)
Frameshift Mutation
b)
Point Mutation
c)
Gene mutation
d)
Chromosomal Mutation
55.
Which sequence of DNA bases would pair with this partial strand: ATG TGA CAG
a)
GTA AGT GAC
b)
ATG TGA CAG
c)
TAC ACT GTC
d)
CAT TCA CTG
56.
Any change in a sequence of DNA is a......
a)
Transgenic Shift
b)
Mutation
c)
Monohybrid Trait
d)
Single Genotype
57.
Which change below would result in a different amino acid? Original code: GCU
a)
GCA
b)
GCC
c)
GCG
d)
GAC
58.
What mutation occurred here? TGACCA -> TGAGCA
a)
Substitution
b)
Frameshift
c)
Deletion
d)
Insertion
59.
What mutation is this? Normal: GAG-CTC-GAC-AGA Mutant: GAG-CTC-CAC-AGA
a)
No mutation
b)
Substitution
c)
Insertion
d)
Deletion
60.
What mutation occurred? Normal: AGA-TTC-ATA-GCG Mutant: AGA-TTC-AAT-AGC-G
a)
Deletion
b)
Nonsense
c)
Substitution
d)
Insertion
61.
DNA molecule segment: TTACGCAAG Mutated Segment: TTCGCAAG What mutation is this?
a)
Insertion
b)
Inversion
c)
Deletion
d)
Substitution
62.
What mutation is this? DNA segment: TTACGCAAG Mutated Segment: TTACGCAAC
a)
Inversion
b)
Translocation
c)
Substitution
d)
Insertion
63.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
Thymine
b)
Cytosine
c)
Uracil
d)
Guanine
64.
Mutation that shifts the reading frame of the genetic message
a)
Frameshift Mutation
b)
Chromosomal Mutation
c)
Point Mutation
d)
Gene Mutation
65.
Where is DNA located in a eukaryotic cell?
a)
Cytoplasm
b)
Golgi Apparatus
c)
Ribosome
d)
Nucleus
66.
In garden peas, tallness (T) is dominant to shortness (t) and axillary flowers (A) are dominant to terminal flowers (a). What are the expected phenotypes of the offspring if a heterozygous tall, heterozygous axillary plant is crossed with a heterozygous tall, terminal plant? Give answers in % (round to the nearest whole percent).
a)
Tall/Axillary: 37%, Short/Axillary: 12%, Tall/Terminal: 37%, Short/Terminal: 12%
b)
Tall/Axillary: 38%, Short/Axillary: 12%, Tall/Terminal: 38%, Short/Terminal: 12%
c)
Tall/Axillary: 38%, Short/Axillary: 13%, Tall/Terminal: 38%, Short/Terminal: 13%
d)
Tall/Axillary 37%, Short/Axillary: 13%, Tall Terminal: 37%, Short/Terminal: 13%
67.
What is the term for two traits that "mix" or "blend" when an organism contains heterozygous genes?
a)
Complete Dominance
b)
Incomplete Dominance
c)
Co-Dominance
d)
Polyploidy
68.
What is the term for two traits that both show completely when the organism is heterozygous?
a)
Polyploidy
b)
Incomplete Dominance
c)
Complete Dominance
d)
Co-Dominance
69.
True or False: We can use genetic engineering to re-create dinosaurs as they were millions of year ago
a)
True
b)
False
70.
Organisms produced with incompletely dominant or co-dominant traits are called
a)
Clones
b)
Hybrids
c)
Transgenic
71.
What is the term for a cell taking in external DNA that becomes part of it's own DNA?
a)
Transformation
b)
Inbreeding
c)
Selective Breeding
d)
Genetic Variation
72.
True or False: Scientists have been able to transform bacteria that can create human insulin and human growth hormone.
a)
True
b)
False
73.
What is the term for an organism that contains genetically identical cells produced from a single cell?
a)
Transgenic
b)
Clone
c)
Hybrid
d)
Transformed Organism
74.
In shorthorn cattle, when a red bull (RR) is crossed with a white cow (rr), all the offspring are roan (Rr). What results when you cross a roan bull with a roan cow?
a)
Red: 0%, Roan: 100%, White: 0%
b)
Red: 50%, Roan: 0%, White: 50%
c)
Red: 25%, Roan: 25%, White: 50%
d)
Red 25%, Roan 50%, White: 25%
75.
In some chickens, the gene for feather color is controlled by co-dominance. The allele for black is B and the allele for white is b. The heterozygous phenotype is known as erminette (Bb). What results when you cross a black chicken with a white chicken?
a)
Black: 0%, Erminette: 100%, White: 0%
b)
Black: 50%, Erminette: 0%, White: 50%
c)
Black: 25%, Erminette: 50%, White: 25%
d)
Black: 25%, Erminette: 25%, White: 50%
100 %
