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WorksheetsGenetics Unit 4 Test Review Pulse Check
Total questions: 60
Worksheet time: 30mins
Name
Class
Date
1.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
2.
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
3.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
4.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
5.
What is the correct complimentary strand for the following DNA?ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
6.
What are the nucleotides made of?
a)
Sugar, Phosphate, nitrogen base
b)
Phosphate, Adenine, nitrogen base
c)
Thymine, Adenine, Cytomine
d)
Phosphate, Nitrogen, Adenine
7.
Which of the following statements is true?
a)
DNA is single-stranded
b)
RNA is single-stranded
c)
DNA contains uracil
d)
RNA contains deoxyribose
8.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of cytosine
9.
The two sister chromatids are attached to each other at a point called the __________ of a chromosome.
a)
zygote
b)
autosome
c)
gene
d)
centromere
10.
Chromosomes that are paired by size and content are called _______ chromosomes.
a)
homeostasis
b)
homologous
c)
matching
d)
sister
11.
Body cells are also called _________ cells.
a)
normal
b)
prokaryotic
c)
pathogens
d)
somatic
12.
Cells that contain 2 sets of chromosomes are called _________ (2n).
a)
diploid
b)
haploid
c)
triploid
d)
polyploid
13.
Cells that contain only ONE set of chromosomes are called ________ (n).
a)
diploid
b)
polyploid
c)
triploid
d)
haploid
14.
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
15.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
16.
During interphase, the DNA is in the form of _____.
a)
chromatin
b)
chromosomes
c)
chromatids
d)
centromeres
17.
Two identical copies of a single replicated chromosome that are connected by a centromere.
a)
Chromatin
b)
Homologous chromosomes
c)
Sister chromatid
d)
Centromere
18.
Made of chromatin and become visible during cell division
a)
chromosomes
b)
histones
c)
mitochondria
d)
nucleosomes
19.
Cells spend 90% of their time in this stage of the cell cycle. This is the reason you would see most cells in this stage if viewed under a microscope.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Interphase
20.
Cell division occurs to allow for
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
21.
The sister chromatids of each chromosome are separated (come apart) and move to opposite ends of the cell. Name that Stage!
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
22.
The cytoplasm is divided between the cells splitting the cell into two. Name that Stage!
a)
Cytokinesis
b)
Interphase
c)
Prophase
d)
Metaphase
23.
DNA is copied in the S part of this stage. Name that Stage!
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anapahse
24.
The cell spends most of it's life in ________________.
a)
mitosis
b)
cytokinesis
c)
Interphase
d)
None of the above
25.
Nucleolus and nuclear membrane start to disappear, chromatin condenses into chromosomes, and spindle fibers start to form. Name that Stage!
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
26.
The chromosomes start to line up in the middle of the cell.
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
27.
What type(s) of cells undergo mitosis?
a)
sex cells
b)
gametes
c)
body cells
d)
sperm and egg cells
28.
What do the cells look like at the end of mitosis?
a)
different from original cell
b)
similar to the original cell
c)
identical to the original cell
d)
none of these
29.
Would a prokaryotic or eukaryotic cell be more likely to use mitosis as a means of reproduction?
a)
prokaryotic
b)
eukaryotic
30.
What is the first phase of Mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
31.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
32.
Which of these lists presents the stages of the cell cycle in the correct order?
a)
interphase, mitosis, cytokinesis
b)
cytokinesis, mitosis, interphase
c)
mitosis, interphase, cytokinesis
d)
interphase, cytokinesis, mitosis
33.
What does DNA stand for?
a)
DeNatured Acid
b)
DomiNant Acid
c)
DeoxyriboNucleic Acid
d)
DiriboNucleic Acid
34.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
35.
Name that process
a)
Mitosis
b)
Meiosis
c)
Mutation
d)
Cell Cycle
36.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
37.
a)
Anaphase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
38.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
39.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
40.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
41.
Name the structure that forms at the end of telophase in a plant cell
a)
Cell wall
b)
Cleavage Furrow
c)
Cell Plate
d)
Spindle fibers
42.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
43.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
44.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
45.
Which letter(s) in the diagram correspond to cells that are haploid?
a)
A
b)
B
c)
C
d)
A and B
46.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
47.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
48.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
49.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
50.
What phase is shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
51.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
52.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
53.
Uncontrollable cell growth is known as _____
a)
obesity
b)
cancer
c)
diabetes
d)
hepatitis
54.
Which type of cancer treatment works best for when cancer has metastasized around the body?
a)
Chemotherapy
b)
Radiation Treatments
c)
Hormones Treatments
d)
Surgery
55.
Metastasis is
a)
the spread of cancer from one part of the body to another.
b)
the growth of tumors in the lungs
c)
cancer of the blood cells
d)
cancer that is found in connective tissues
56.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
57.
What is is called when a tumor proves to be NON cancerous?
a)
malignant
b)
benign
c)
oncogene
d)
byogene
58.
Term for a group of more than 100 diseases in which abnormal cells divide without control.
a)
biopsy
b)
epiodemiology
c)
cancer
d)
mortality
59.
These are examples of:
- Surgery
- Chemotherapy
- Radiation
a)
Treatments for Cancer
b)
Mutations
c)
Examples of Asexual Reproduction
d)
Types of Tumors
60.
What tumor type contains cancerous cells and can spread to surrounding tissues?
a)
Benign
b)
Malignant
c)
Hemostatic
d)
Carcenogenic
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