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WorksheetsCompetency 5 Review
Total questions: 105
Worksheet time: 2hrs 9mins
Name
Class
Date
1.
What part of our cells holds our DNA?
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
ribosomes
2.
What has DNA?
a)
animals
b)
plants
c)
bacteria
d)
all of the above
3.
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
4.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
5.
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
6.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
7.
A segment of DNA that codes for a protein is called a...
a)
Enzyme
b)
Mutation
c)
Gene
d)
Complimentary
8.
Which of the following displays the correct order of DNA replication?
1. Sugar and phosphate groups form the side of each new strand
2. DNA unzips
3. The bases attach from a supply in the cytoplasm
4. DNA unwinds
1. Sugar and phosphate groups form the side of each new strand
2. DNA unzips
3. The bases attach from a supply in the cytoplasm
4. DNA unwinds
a)
4-2-3-1
b)
2-4-1-3
c)
2-4-3-1
d)
4-2-1-3
9.
mRNA is important, because it __________.
a)
Carries info from genes to ribosomes
b)
Carries amino acids to ribosomes
c)
Helps with RNA splicing
d)
Makes up ribosomes
10.
What is the term for a three nucleotide sequence that codes for an amino acid? For example: AUG
a)
Nitrogen base
b)
Codon
c)
Amine
d)
Phosphate group
11.
Transfer RNA (tRNA) is important because it __________.
a)
Carries amino acids to the ribosome
b)
Carries ribosomes to the ER
c)
Carries glucose to mitochondria
d)
Carries mRNA out of the nucleus
12.
Where does Translation take place?
a)
RNA
b)
ribosome
c)
nucleus
d)
chromosome
13.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
14.
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
15.
Which of the following is the sugar found in RNA?
a)
Ribose
b)
Maltose
c)
Deoxyribose
d)
Amylose
16.
Which of the following bases is NOT found in RNA?
a)
Thymine
b)
Adenine
c)
Guanine
d)
Cytosine
17.
Which of the following is a correct difference between RNA and DNA?
a)
RNA is single stranded and DNA is double stranded
b)
RNA is double stranded and DNA is single stranded
c)
DNA uses Uracil and RNA uses Thymine
d)
RNA has deoxyribose and DNA has ribose
18.
Which statement is TRUE regarding DNA and RNA?
a)
DNA's sugar is ribose; RNA's sugar is deoxyribose
b)
DNA is single stranded; RNA is double stranded
c)
DNA contains thymine; RNA contains uracil
d)
DNA is in cytoplasm; RNA is in nucleus
19.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
20.
I am a single strand.
a)
DNA
b)
RNA
21.
I include the bases Guanine, Cytosine, Adenine and Thymine.
a)
DNA
b)
RNA
22.
I include the bases Guanine, Cytosine, Adenine and Uracil .
a)
DNA
b)
RNA
23.
I travel outside of the nucleus.
a)
DNA
b)
RNA
24.
I have the sugar ribose.
a)
DNA
b)
RNA
25.
I have the sugar dioxyribose.
a)
DNA
b)
RNA
26.
The sugar in DNA is ____________________.
a)
deoxyribose
b)
ribose
27.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
28.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
29.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
30.
Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCA
GTAGTCA
a)
UATUAGA
b)
ACGACTG
c)
CAUCAGU
d)
CATCAGT
31.
The main function of tRNA is to...
a)
carry a message that, when translated, forms proteins
b)
form a portion of ribosomes
c)
string together complementary RNA and DNA strands
d)
bring amino acids from the cytoplasm to the ribosomes
32.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
33.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
34.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
35.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
36.
Translation is the process where
a)
mRNA is created in the Nucleus
b)
mRNA is decoded to form a protein
c)
glucose molecules are made
d)
is where lipids are synthesised
37.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA
a)
Met-Pro-Ala-Val
b)
Met-Pro-Val
c)
Tyr-Gly-His
d)
Tyr-Gly-Arg-His
38.
Which of the following best describes a GENOTYPE?
a)
The allele/genetic makeup of an organism.
b)
The physical expression of a trait.
39.
Which of the following is an example of a GENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
40.
Which of the following is an example of a PHENOTYPE?
a)
25%
b)
Blue
c)
1:2:1
d)
Bb
41.
Which of the following is an example of a homozygous dominant genotype?
a)
RR
b)
Rr
c)
rr
42.
Which of the following is an example of a homozygous recessive genotype?
a)
RR
b)
Rr
c)
rr
43.
Which of the following is an example of a heterozygous genotype?
a)
RR
b)
Rr
c)
rr
44.
True or False: A phenotype describes the physical expression (characteristics) of a gene. In other words, how something looks.
a)
True
b)
False
45.
True or False: If a dominant allele is present, the trait will always appear in the organism.
a)
True
b)
False
46.
What is another name for heterozygous?
a)
Hybrid
b)
Purebred
c)
Codominant
d)
Mixed Breed
47.
What is the percentage of homozygous recessive offspring?
a)
0%
b)
25%
c)
50%
d)
75%
48.
Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?
a)
Gg
b)
gg
c)
GG
49.
In Mendel's pea plants, the homozygous recessive phenotype was white flowers. If Mendel crossed two homozygous recessive pea plants, what color flowers would be seen in the offspring?
a)
white and purple
b)
white
c)
purple
d)
lavendar
50.
What percentage of the offspring will be purebred dominant?
a)
0%
b)
25%
c)
50%
d)
75%
51.
D = dimples d = no dimples
What is the genotype for a homozygous recessive offspring?
What is the genotype for a homozygous recessive offspring?
a)
DD
b)
Dd
c)
dd
52.
If two purebred species (BB) are crossed, what percentage of their offspring would be BB?
a)
25%
b)
50%
c)
75%
d)
100%
53.
Two brown eyed parents (BB X Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
54.
Two heterozygous brown-eyed parents have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
55.
B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
a)
they have same phenotype and genotype
b)
they have different genotypes and phenotypes
c)
they have same phenotype but different genotypes
d)
they have same genotype but different phenotypes
56.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
57.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
58.
Looking at this pedigree, how many female family members are carriers?
a)
1
b)
3
c)
10
d)
7
59.
If a woman is a carrier for a sex linked recessive trait of hemophilia and her husband has hemophilia, which of the following is true? Make a punnett square!
a)
All sons will have hemophilia
b)
all daughters will have hemophilia
c)
50% of daughters and 50% of sons have hemophilia
d)
100% of sons have hemophilia and 100% of daughters are carriers
60.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
61.
What type of inheritance do two alleles have if their traits blend together?
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
62.
In some carnations, flower color exhibits codominance. When crosses, Red (R) and white (W) flowers make speckled flowers (RW) that show both colors.
Complete a cross between A speckled flower and a red flower. Find the phenotype ratio.
Complete a cross between A speckled flower and a red flower. Find the phenotype ratio.
a)
2 red: 2 speckled: 0 white
b)
4 red: 0 speckled: 0 white
c)
0 red: 4 speckled: 0 white
d)
0 red: 2 speckled: 2 white
63.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
64.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
65.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
66.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
67.
This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
68.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable
69.
This type of inheritance pattern shows BOTH traits in possible offspring:
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
Indomitable
70.
What is a possible phenotype of a child that results from a woman with type AB blood and a man with type A blood?
a)
OO
b)
type O
c)
AA
d)
type A
71.
In flowers, 2 pink (RW) flowers are crossed. What are the genotypes and phenotypes of their offspring?
a)
100% pink (RW)
b)
50% pink (RW); 25% white (WW); 25% red (RR)
c)
75% pink (RW); 25% white (WW)
d)
100% red (RR)
72.
A father that is heterozygous blood type A is crossed with a heterozygous blood type B mother. What will be the genotype of the offspring?
a)
50% AB; 50% OO
b)
25% AB, 25% AO, 25% BO, 25% OO
c)
25% AA, 25% BB, 25% AB, 25% OO
d)
100% AB
73.
A father that has blood type O is crossed with a blood type O mother. What will be the genotype of the offspring?
a)
50% AB; 50% OO
b)
25% AB, 25% AO, 25% BO, 25% OO
c)
25% AA, 25% BB, 25% AB, 25% OO
d)
100% OO
74.
A red eyed female fruit fly XR XR is crossed with a white eyed male Xr Y. What are the phenotypes of the offspring?
a)
2 red eyed females; 2 red eyed males
b)
2 white eyed females; 2 red eyed males
c)
2 white eyed females; 2 white eyed males
d)
1 red eyed female; 1 white eyed female; 1 white eyed male; 1 red eyed male
75.
When one base replaces another, this is a common type of mutation called what?
a)
Insertion
b)
Substitution
c)
Inversion
d)
Deletion
76.
DNA molecule segment is: TTACGCAAG
The mutated DNA segment is TTACGCAAC. This is an example of ______ mutation.
The mutated DNA segment is TTACGCAAC. This is an example of ______ mutation.
a)
Substitution
b)
Insertion
c)
Inversion
d)
Translocation
77.
A permanent change in DNA is called what?
a)
Genetic disorders
b)
Mutation
c)
Gene Expression
d)
Mutagen
78.
ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a
ATTGAGCC - Mutated
The example above is an example of a
a)
Insertion- Frameshift
b)
Deletion- Substitution
c)
Deletion -Frameshift
d)
All of the above
79.
What is it called when body cells grow uncontrollably
a)
Spinal Stenosis
b)
Anemia
c)
Cancer
80.
Using the codon chart here or at your table to identify the amino acid sequence:
AUG-CCA-GUA-GGG-UAA
AUG-CCA-GUA-GGG-UAA
a)
MET-HIS-ALA-GLY-STOP
b)
MET-PRO-GLY-VAL-STOP
c)
MET-PRO-VAL-GLY-STOP
d)
MET-THR-SER-ASP-STOP
81.
What type of chromosomal mutation is this?
a)
Inversion
b)
Translocation
c)
Deletion
d)
Duplication
82.
Gene: ABCDEF
Mutation: ACEFCD
What mutation occurred?
Mutation: ACEFCD
What mutation occurred?
a)
deletion
b)
substitution
c)
inversion
d)
insertion
83.
A type of substitution in which no amino acids change is called
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
84.
A diploid cell of a normal male human contains
a)
22 autosomes and two Y-chromosomes.
b)
22 pairs of autosomes and two Y-chromosomes.
c)
22 pairs of autosomes, one X and one Y-chromosome
d)
22 autosomes and two X-chromosomes
85.
A person with Turner syndrome has only one X chromosome. This means one of their gametes was missing a chromosome.
Which of the following is why gametes sometimes lack a complete chromosome?
Which of the following is why gametes sometimes lack a complete chromosome?
a)
Incomplete dominance
b)
Nondisjunction
c)
Inversion mutation
d)
Substitution mutation
86.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
87.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Turner's Syndrome
b)
Trisomy 21 (Down Syndrome)
c)
Trisomy 13
d)
Trisomy 18
88.
What is the sex of this baby?
a)
Male
b)
Female
89.
Which genetic abnormality is shown in this karyotype?
a)
Partial Addition
b)
Partial Deletion
c)
Trisomoy
d)
Monosomy
90.
When there is an EXTRA chromosome a geneticist would use the term...
a)
Monosomy
b)
Trisomy
c)
Quadruplegia
d)
Chromosomal Deletion
91.
When there is an MISSING chromosome a geneticist would use the term...
a)
Monosomy
b)
Trisomy
c)
Quadruplegia
d)
Chromosomal Deletion
92.
Why is this human karyotype considered 'ABNORMAL'?
a)
Because there SHOULD be TWO "Y" chromosomes as well.
b)
Because there are TOO many sex chromosomes.
c)
Because the karyotype is missing an entire pair of chromosomes.
d)
Nothing is actually abnormal!
93.
What's wrong???
a)
Trisomy
b)
Monosomy
c)
Nothing is Wrong, it looks normal.
94.
What's wrong???
a)
Trisomy
b)
Monosomy
c)
Nothing is Wrong, it looks normal.
95.
What makes this individual's karyotype not normal?
a)
An extra sex chromosome
b)
An extra autosome
c)
A missing sex chromosome
d)
A missing autosome
96.
In humans, having dimples is dominant over not having dimples. If a woman without dimples marries a man heterozygous for dimples, what is the likelihood that their children will have dimples?
a)
25%
b)
50%
c)
75%
d)
100%
97.
In humans, having dimples is dominant over not having dimples. If both parents are heterozygous for dimples, what is the likelihood that their children will have dimples?
a)
25%
b)
50%
c)
75%
d)
100%
98.
Unfortunately, Huntington's Disease is a dominant disorder whose symptoms do not appear until mid- to late - thirties. If a woman heterozygous for Huntington's marries a man who does not have Huntington's, what is the likelihood that their children will have the disorder?
a)
25%
b)
50%
c)
75%
d)
100%
99.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Trisomy 21 (Down Syndrome)
b)
Trisomy 13
c)
Trisomy 18
d)
Klinefelter's Syndrome
100.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
101.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
102.
How many kids did the mother and father from the first generation have?
a)
2
b)
4
c)
5
d)
6
103.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
104.
What is the mode of inheritance shown here?
a)
Recessive
b)
Sex Linked
c)
Dominant
105.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
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