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Worksheets4th 6 Weeks Review
Total questions: 89
Worksheet time: 1hrs 9mins
Name
Class
Date
1.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
2.
Matt uses a microscope to look at slides of plant cells. He sees a cell with two nuclei that have visible chromosomes. In which stage of cell division is this cell?
a)
anaphase
b)
prophase
c)
telophase
d)
interphase
3.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
4.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
5.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
anaphase
d)
cytokinesis
6.
What stage of mitosis is depicted here
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
7.
Centrioles pull the chromosomes apart towards the opposite sides of the cell describes:
a)
Prophase
b)
Metaphase
c)
Telophase
d)
Anaphase
8.
Cell splits into two.
a)
Metaphase
b)
Cytokinesis
c)
Interphase
d)
Prophase
9.
If there are 20 chromosomes in the nucleus before mitosis how many will there be in each new daughter cell after cytokinesis?
a)
20
b)
10
c)
40
d)
200
10.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
11.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
12.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
13.
Meiosis is the _____.
a)
nuclear division of gametes
b)
nuclear division of body cells
c)
division of body cells
d)
division of sex cells
14.
In sexual reproduction, chromosome reduction is necessary to ___.
a)
ensure that all offspring have the correct diploid number of chromosomes
b)
ensure that all offspring have the correct haploid number of chromosomes
c)
ensure that all daughter cells are identical
15.
Mitosis makes sure that all daughter cells are _____.
a)
genetically identical, diploid
b)
genetically identical, haploid
c)
genetically diverse, diploid
d)
genetically diverse, haploid
16.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die
17.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
18.
Which best explains why muscle cells are different from blood cells?
a)
Muscle cells are produced by the brain, but blood cells are produced by the heart.
b)
Different genes are activated in muscle cells than in blood cells.
c)
Muscles cells experience different environmental influences than blood cells.
d)
A mutation occurs during the development of muscle cells but not in blood cells.
19.
What is a gene?
a)
A segment of RNA that encodes for a protein
b)
A chromosome
c)
A segment of DNA that encodes for a protein
d)
Your genome
20.
In what way is the DNA of a nerve cell different from the DNA of a muscle cell?
a)
The DNA is the same but each cell contains different genes
b)
The DNA is the same but different genes are turned on and turned off in each cell
c)
The DNA is different, but the same genes are turned on and off in each cell
d)
The DNA is different, but each cell contains the same genes
21.
Which BEST explains why muscle cells are different from blood cells?
a)
a mutation occurs during the development of muscle cells but not in blood cells
b)
different genes are activated in muscle cells than in blood cells
c)
muscles cells experience different environmental influences than blood cells
d)
muscle cells are produced by the brain, but blood cells are produced by the heart
22.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
23.
Which phrase best describes a common characteristic of all cancers?
a)
absence of cyclins
b)
damaged DNA
c)
uncontrolled cell growth
d)
inherited from parents
24.
the uncontrolled division of cells that results in malignant growth
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
25.
The original DNA is: A G A G A G A G
Which answer choices shows ONE mutation in the original DNA?
Which answer choices shows ONE mutation in the original DNA?
a)
A G T G A G A G
b)
A G A G T G C G
c)
A G A G A G A G
d)
A G A G C C C C
26.
The original and mutated DNA have been transcribed below. What kind of mutation is shown?
Original: ACU AUG
Mutated: ACC AUG
a)
Insertion
b)
Deletion
c)
Substitution
d)
Bifurcation
27.
What are the three types of mutation?
a)
Insertion, Deletion, Subsitution
b)
Deletion, Newstion, Subsitution
c)
Newstion, Deletion, Insertion
d)
Insertion, Newstion, Substitution
28.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
29.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
30.
In pea plants, the trait for tall stems is dominant over the trait for short stems. If two heterozygous tall plants are crossed, what percentage of the offspring would be expected to have the same phenotype as the parents?
a)
100%
b)
75%
c)
50%
d)
25%
31.
One of the parents of a child has phenylketonuria (PKU), which is caused by recessive alleles. The other parent does not have the PKU alleles. What is the chance that the couple will have a child with phenylketonuria?
a)
0%
b)
50%
c)
75%
d)
100%
32.
The observable traits of an organism are known as its
a)
allele
b)
dominance
c)
phenotype
d)
genotype
33.
Each parent contributes one of the genes for a particular trait. The genes of the pair are called:
a)
variables
b)
gametes
c)
hybrids
d)
alleles
34.
In snapdragons, Tallness (T) is dominant to dwarfness (t). In a cross between two plants that are heterozygous for this trait, the percent of offspring expected to exhibit dwarfness is
a)
25%
b)
100%
c)
50%
d)
0%
35.
The color black is dominant in guinea pigs. The phenotypes of homozygous black guinea pigs and heterozygous black guinea pigs are:
a)
black
b)
gray
c)
BB and Bb
d)
white
36.
The gene makeup of an organism for a particular trait is known as its
a)
dominance
b)
phenotype
c)
allele
d)
genotype
37.
What do we call the table used to calculate the probability of an offspring's genotype?
a)
Punnett square
b)
Venn diagram
c)
Golden ratio
d)
Fibonacci sequence
38.
This phenotype is more likely to be prominent in offspring
a)
Genotype
b)
Dominant genotype
c)
Recessive Phenotype
d)
monotypes
39.
This type of phenotype is less likely to be prominent (to show up) in offspring
a)
Dominant genotype
b)
Recessive genotype
c)
Dominant phenotype
d)
Recessive phenotype
40.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
41.
What is the genotype for this organism?
(E= 3 eyes, e= 1 eye)
(E= 3 eyes, e= 1 eye)
a)
EE
b)
Ee
c)
ee
d)
EE or Ee
42.
A phenotype is the...
a)
letter combination
b)
dominant gene
c)
recessive gene
d)
physical appearance
43.
Tt is-
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
44.
If a pea plant were homozygous recessive for height, how would its alleles be represented?
a)
TT
b)
Tt
c)
tt
d)
tT
45.
If this image were real, it would represent what type of inheritance?
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
compete dominance
46.
AB blood type is an example of what type of inheritance?
a)
complete dominance
b)
incomplete dominance
c)
codominance
d)
polygenic inheritance
47.
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%
48.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
49.
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
50.
This is an example of ___________?
a)
Incomplete dominance
b)
Co-Dominance
51.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
52.
What do you call the non-Mendelian inheritance pattern that states that neither trait is dominant and the traits appear to blend together?
a)
Codominance
b)
Incomplete dominance
c)
Polygenic traits
53.
The sex of a child is determined by
a)
whether the father's sperm contains an x or y chromosome
b)
whether the mother's egg contains an x or y chromosome
c)
the age of the parents
54.
When we say that a woman is a carrier for a genetic disease or disorder it means that
a)
she has 1 gene, but not the disorder
b)
she has 2 genes for the disorder
c)
she can pass the gene only to male children
d)
she can pass the gene only to female children
55.
Why are men 16 times more likely to be color-blind than women?
a)
to be color-blind, you must have a Y chromosome
b)
to be color-blind, all of your X chromosomes must have the gene
c)
color-blindness is caused by testosterone
d)
color-blindness is caused by the same gene as baldness
56.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
57.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
58.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
59.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
60.
A dihybrid cross shows the possible outcomes of _______
a)
two alleles
b)
two parents
c)
two traits/characters
d)
a self pollination
61.
parent 1: GgBB
parent 2: ggBb
Find the gametes for parent 1.
parent 2: ggBb
Find the gametes for parent 1.
a)
GB, GB, gB, gB
b)
gB, gb, gB, gb
c)
Gg, BB, GB, GB
d)
gg, Bb, gB, gb
62.
T4 - What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
63.
T4 - 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
64.
T4 - What fraction of offspring from the cross AaBB x Aabb will be heterozygous for both traits (ex. AaBb) ?
a)
1/16
b)
1/4
c)
1/2
d)
3/16
65.
Long tongues (T) are dominant to short tongues in green tree frogs. What is the probability that two frogs that are heterozygous for long tongues could produce offspring with short tongues?
a)
100%
b)
75%
c)
50%
d)
25%
66.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
a)
0%
b)
25%
c)
50%
d)
100%
67.
AA is
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
68.
Aa is
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
69.
aa is
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
70.
What gamete possibilities could come from this parent's genotype?
a)
AB, AB, aB, aB
b)
Ab, AB, Ab, ab
c)
Ab, Ab, Ab, Ab
d)
AB, aB, ab, aB
71.
A parent with genotype YyRR could produce which gametes?
a)
YR, YR, yR, yR
b)
Yy, Rr, yy, rr
c)
Yr, Yr, yr, yR
d)
YR, YR, yr, yr
72.
What genotype would go in box 13?
a)
AaBb
b)
aabb
c)
AABB
d)
AAbb
73.
A white mouse with red eyes is crossed with a black mouse with brown eyes. The white mouse is recessive for both of its traits. The black mouse is dominant for both of its traits.
This cross would be
a)
BBEE x bbee
b)
BBEe x BbEe
c)
BbEE x BbEe
d)
BBee x BBEE
74.
What fraction of offspring from the cross AaBB x Aabb will be heterozygous for both traits?
a)
1/16
b)
4/16
c)
8/16
d)
3/16
75.
When using your codon chart, what sequence can you use to find the correct amino acid?
a)
DNA
b)
mRNA
c)
tRNA
d)
Any of these will do
76.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
77.
DNA: AAA CCC GGG
What is the transcribed mRNA?
What is the transcribed mRNA?
a)
TTT GGG CCC
b)
UUU GGG CCC
c)
UUU CCC GGG
d)
TTT CCC GGG
78.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
79.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
80.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)
8
b)
5
c)
2
d)
3
81.
Imagine the shaded individuals are those WITH a "hitchhikers thumb." What must be the genotype of individual II-1?
a)
TT
b)
tt
c)
Tt
d)
Impossible to tell
82.
Why do all the daughters in Generation II carry the colorblind gene?
a)
Because mom passed on the gene.
b)
Because dad passed on the X chromosome.
c)
Because their brother has it.
d)
Because their brother gave it to them.
83.
On this pedigree, the allele for curly hair is dominant. The couple labeled 2 both have curly hair, but have a daughter who does not have curly hair. Therefore, we can tell from the chart that for the couple labeled 2 -
a)
the male is heterozygous and the female is heterozygous.
b)
the male is homozygous recessive and the female is homozygous dominant.
84.
Examine the pedigree. The allele for the presence of a widow’s peak is dominant. Therefore, we can tell from the chart that in the couple labeled 2:
a)
the male is heterozygous and the female is homozygous.
b)
the male is homozygous and the female is heterozygous.
c)
the male is homozygous and the female is homozygous.
d)
the male is heterozygous and the female is heterozygous.
85.
The diagram shows the process of crossing over. Which claim about crossing over in chromosomes is best supported by the diagram?
a)
Crossing over increases genetic diversity through deletion.
b)
Crossing over decreases genetic diversity through mutation.
c)
Crossing over increases genetic diversity by creating new combinations of genes.
d)
Crossing over decreases genetic diversity by inserting nucleotides into gene sequences.
86.
The diagram shows homologous chromosomes during prophase I of meiosis. Which of the following correctly describes the process being illustrated?
a)
Segregation of sister chromatids
b)
Mutation in which the DNA content of the gene is altered
c)
Crossing over in which alleles are exchanged
d)
Condensation and segregation of alleles
87.
The diagram below represents a change that occurred in a pair of chromosomes during the formation of an egg cell. The alteration that occurred will most likely be passed on to every cell that develops from the egg cell. Why would this type of alteration result in offspring with combinations of traits that differ from those found in either parent?
a)
It converts sex cells into body cells.
b)
It results in the formation of diploid gametes.
c)
. It results in new combinations of genes on each chromosome.
d)
It changes the chromosome number of the body cells that develop from the egg cell.
88.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
89.
Interphase has 3 stages; G1, S, and G2. What happens during synthesis?
a)
Cells grow and carry out normal functions
b)
Cells copy organelles and prepare for a critical checkpoint
c)
The cell splits into two new daughter cells
d)
The cell makes a copy of its DNA
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