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WorksheetsBio111, Ch12-15 Exam review (cell division & inheritance)
Total questions: 70
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
Chromatids are pulled towards opposite ends of the cell in this cell cycle phase of Mitosis.
a)
prophase
b)
anaphase
c)
cytokinesis
d)
telophase
2.
Two new membranes form around each group of chromosomes.
a)
cytokinesis
b)
metaphase
c)
prophase
d)
telophase
3.
The step in the cell cycle following mitosis, in which the cytoplasm divides.
a)
cytokinesis
b)
telophase
c)
prophase
d)
metaphase
4.
The process of mitosis results in two genetically _________ daughter cells.
a)
engineered
b)
different
c)
mutated
d)
identical
5.
During this time the cell grows and makes copies of its organelles and DNA.
a)
interphase
b)
anaphase
c)
telophase
d)
metaphase
6.
What is the next phase of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
7.
What phase is this?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
8.
In which stage of the cell cycle do the nucleus and its contents divide?
a)
synthesis
b)
growth/gap 1
c)
mitosis
d)
growth/gap 2
9.
During the growth/gap 1 stage of the cell cycle, a cell
a)
splits into two new cells
b)
doubles in size and growth
c)
Duplicates its DNA
d)
divides its cytoplasm
10.
During which phase of mitosis do sister chromatids separate from each other
a)
Prophase
b)
metaphase
c)
anaphase
d)
telophase
11.
Which phrase best describes cancer?
a)
absence of cyclins
b)
multiple gene mutations
c)
uncontrolled cell growth
d)
precesnce of genetic defects
12.
Substage of Interphase in which the cell copies its DNA in preparation for cell division
a)
G1
b)
Synthesis
c)
G2
d)
Interphase
13.
Type of tumor that remains at original site
a)
Benign
b)
Malignant
c)
Metastaasis
d)
checkpoint
14.
Programmed cell death is called
a)
apoptosis
b)
cytokinesis
c)
interphase
d)
cancer
15.
How many PAIRS of chromosomes do humans have?
a)
23
b)
46
c)
1
d)
2
16.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
17.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
18.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
19.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
20.
Structure C is pointing to one ____.
a)
chromatid
b)
chromosome
c)
centromere
d)
DNA
21.
Which term refers to a picture of an individual’s chromosomes, used to detect genetic conditions?
a)
synapsis
b)
tetrad
c)
centriole
d)
karyotype
22.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome
23.
Cell death or suicide is known as:
a)
anaphase
b)
cancer
c)
apoptosis
d)
binary fission
24.
Which type of organism is capable of reproduction through asexual mitosis:
a)
mule
b)
pine tree
c)
bacteria
d)
starfish
25.
body cells are called
a)
gametes
b)
skins cells only
c)
somatic cells
d)
sperm cell
26.
Which of the following shows the correct sequence of the cell cycle?
a)
Mitosis-> G1->S->G2->cytokinesis
b)
S->G1-> G2-> mitosis-> cytokinesis
c)
cytokinesis->mitosis->G1->S->G2
d)
G1->S->G2->mitosis->cytokinesis
27.
Chromosome movement in mitosis and meiosis is regulated by
a)
microtubules
b)
microfilaments
c)
intermediate filaments
d)
All of thiese
28.
________________is a critical point where stop and go signals can regulate the cycle
a)
Metastasis
b)
Checkpoint
c)
Malignant
d)
Benign
29.
Which of the following is a type of protein that regulates the cell cycle?
a)
actin
b)
myosin
c)
cyclin
d)
pepsin
30.
The normal function of a tumor suppressor gene is
a)
to produce growth signals
b)
to code for proteins that inhibit, or slow, cell division
c)
to cause the cell to move faster through the cell cycle
d)
to attack cancer cells in the body
31.
What is one goal of cellular differentiation/specialization?
a)
To create specialized cells to help organism maintain homeostasis.
b)
To many cells.
c)
To make stem cells
d)
to make single celled organisms
32.
Purebred is another word for __________, while hybrid is another word for __________.
a)
dominant; recessive
b)
recessive; dominant
c)
homozygous; heterozygous
d)
heterozygous; homozygous
33.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
34.
Jackie is homozygous recessive for having dimples (D). What is her genotype?
a)
pp
b)
Dd
c)
dd
d)
DD
35.
If an organism is DdGg, what is one of the alleles that would be found in the gametes produced?
a)
Dd
b)
DG
c)
Gg
d)
DD
36.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the probability of having a white flowered plant if the parents were heterozygous red and homozygous red?
a)
0%
b)
25%
c)
50%
d)
100%
37.
Human somatic cells have a _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
38.
Two heterozygous (Tt)tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
d)
100% tall
39.
the passing of genetic traits from parent to offspring.
a)
heredity
b)
trait
c)
gene
d)
allele
40.
In a Punnett square each box represents a(n)....
a)
offspring
b)
parent
c)
gene
d)
trait
41.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
42.
This type of inheritance pattern shows BOTH traits in hybrid offspring
a)
complete dominance
b)
incomplete dominance
c)
co-dominance
d)
dominant pattern
43.
What is the genotypic ratio in this cross?
R= round r= wrinkled
R= round r= wrinkled
a)
3:1 (3 round to 1 wrinkled)
b)
1:2:1 (1 RR, 2 Rr, 1 rr)
c)
75% round, 25% wrinkled
d)
1:3 (1 round to 3 wrinkled)
44.
The law that states that the inheritance of one trait has no effect on the inheritance of another is
a)
the law of independent assortment
b)
the law of dominance
c)
the law of segregation
45.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
46.
What is a phenotype?
a)
The expression of a trait; physical appearance.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
47.
A diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown is called a
a)
Punnett square.
b)
monohybrid cross.
c)
pedigree.
d)
family karyotype.
48.
Which of the following traits is controlled by multiple alleles in humans?
a)
sickle cell anemia
b)
blood type
c)
hemophilia
d)
pattern baldness
49.
What would be the blood type of a person who inherited an A allele from one parent and an O allele from the other?
a)
type A
b)
type B
c)
type AB
d)
type O
50.
If a characteristic is X-linked recessive, it
a)
occurs most commonly in males.
b)
occurs only in females.
c)
can never occur in females.
d)
is always fatal.
51.
A plant that is homozygous for red flowers is crossed with a plant that is homozygous for white flowers. In the case of incomplete dominance, the flowers of the offspring will be
a)
red and white.
b)
white only.
c)
pink only.
d)
red only.
52.
The wide range of eye color indicates that eye color is
a)
sex-linked.
b)
recessive.
c)
polygenic.
d)
epistatic.
53.
What is the genotype of both great-grandsons? (Individuals 13 and 16)
a)
AA
b)
Aa
c)
A_
d)
aa
54.
Review the pedigree...the female in the 1st generation must have which of the following genotypes...read the pedigree...think!
a)
XRXr
b)
RR
c)
XRXR
d)
Rr
55.
This pedigree shows which of the following?
AND...why?
AND...why?
a)
Autosomal recessive-the females are carriers
b)
Autosomal recessive-there is a female with it and if it were sex-linked only males would have it
c)
Sex-Linked recessive-the females are carriers
d)
Sex-Linked recessive-males have it from their carrier mothers
56.
Which of the following terms refers to the different possibilities of a gene?
a)
chromosome
b)
DNA
c)
Punnett Squares
d)
allele
57.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
58.
What genotype is missing from this Punnett Square?
a)
RrYy
b)
RRYY
c)
rryy
d)
RrYY
59.
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
60.
Which of the following crossover events would be most difficult to detect in offspring?
a)
A crossover occurring in the region between gene A and G
b)
A crossover occurring in the region between gene G and T
c)
A crossover occurring in the region between gene T and B
d)
A crossover occurring in the region between gene A and T
61.
The pedigree shown indicates the expression pattern of VHL in a specific family. Genetic counselors told the affected female that she and her non-carrier husband had a 50% chance of producing children with VHL. Based on this information, which of the following best describes the inheritance pattern for this disorder?
a)
X-linked recessive
b)
Incomplete dominance
c)
Autosomal dominance
d)
Autosomal recessive
62.
The diagram depicts an experiment in which ice packs were strapped to a hair-free patch on a species of rabbits. The new hair that grew in the patch exposed to cold was black.Which of the following statements is supported by the results of this experiment?
a)
The rabbits’ genomes have a flexible response to environmental stimuli.
b)
The rabbits change their phenotypes to attract mates.
c)
Rabbits whose coat color does not change represent a more evolved species
d)
Increased ultraviolet light can alter the genome of these rabbits.
63.
In horses, the grey coat color (G) is dominant to non-grey coat color (g). Additionally, some horses have a genetic disorder called hyperkalemic periodic paralysis or HYPP. HYPP is an inherited autosomal dominant disorder that affects the sodium channels in muscle cells. HYPP (H) is dominant to the normal condition (h). If a non-grey, normal stallion sires a foal that is not grey and does not have HYPP, which of the following genotypes are possible genotypes for the mother?
a)
GGhh and ggHH
b)
ggHH and GgHh
c)
GGHH and GGHh
d)
GgHh and gghh
64.
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
65.
Mendel's Law of Segregation states that-
a)
Traits are inherited from parents at random.
b)
The dominant trait masks the recessive trait.
c)
Traits are independent from another.
d)
Each sex cell receives one alelle each during gamete formation when the gene separates.
66.
Which of Mendel's law states that "Alleles for one trait segregate independently from other genes for different traits in metaphase I of meiosis. "
a)
Law of Dominance
b)
Law of Independent Assortment
c)
Law of Segregation
d)
Law of Heredity
67.
A cross of a red cow with a white bull produces all roan offspring. This type of inheritance is known as
a)
codominance
b)
incomplete dominance
c)
multiple alleles
d)
"breed time:
68.
What pattern of inheritance is shown in this pedigree?
a)
Autosomal Dominant
b)
Autosomal Recessive
c)
Sex Linked
69.
X chromosome inactivation results in the __.
a)
total inactivation of both X chromosomes
b)
inactivation of only the paternal X chromosome
c)
inactivation of only the maternal X chromosome
d)
inactivation of either the paternal X chromosome or the maternal X chromosome
e)
nonrandom inactivation of X chromosomes in the initial cells of tissues
70.
In the ABO blood group system in humans, if a person of type-B blood has children with a person of type-AB blood, what blood types could their children have?
a)
Type-AB, type-A, and type-B
b)
Type-A and type-B
c)
Type-B and type-AB
d)
Type-AB, type-A, type-B, and type-O
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