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WorksheetsSemester 4 Final Exam Review Mitosis, DNA, Genetics
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
Compared to small cells, large cells have more trouble _____.
a)
dividing.
b)
producing daughter cells.
c)
storing needed material.
d)
moving needed materials in and waste products out.
2.
Cells divide into two daughter cells during this process, _____.
a)
prophase
b)
metaphase
c)
interphase
d)
mitosis
3.
During the cell cycle chromosomes are visible during ______.
a)
interphase only.
b)
replication.
c)
cell division.
d)
G phase only.
4.
The ________ is the center of the chromosome.
a)
spindle
b)
sister chromatid
c)
centromere
d)
centriole
5.
Which of the following represent the phases of mitosis in their proper sequence?
a)
prophase, metaphase, anaphase, telophase
b)
prophase, telophase, anaphase, metaphase
c)
interphase, metaphase, telophase, anaphase
6.
Normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells, each containing
a)
two chromosomes
b)
one chromosome
c)
four chromosomes
d)
eight chromosomes
7.
Cancer is a disorder in which some cells lose their ability to control their
a)
spindle fibers
b)
size
c)
surface area
d)
cell cycle
8.
A rounded mass of cell buildup is ____.
a)
cells undergoing normal mitosis
b)
a tumor
c)
stem cell buildup
d)
none of the above
9.
Different forms of a gene are called ____.
a)
alleles
b)
traits
c)
pollinators
d)
hybrids
10.
Organisms that have two identical alleles for a particular trait are said to be _______.
a)
hybrids
b)
homozygous
c)
heteroygous
d)
dominant
11.
Calico cats show CODOMINANCE for feather color. One allele codes for black fur, another codes for white fur. The fur of heterozygous cats of this breed will be ____.
a)
white
b)
black
c)
speckled
d)
gray
12.
If an organisms diploid number is 12, it's haploid number is ____.
a)
12
b)
6
c)
23
d)
3
13.
Gametes have
a)
half the number of chromosomes found in the body.
b)
twice the number of chromosomes found in the body.
c)
homologous chromosomes.
d)
two sets of chromosomes.
14.
If a bean plant's alleles for height are tt, what is true of its parents?
a)
both parents are tall
b)
both parents contribute a recessive allele
c)
one of the parents was short
d)
both parents contribute a dominant allele
15.
Crossing over produces ________.
a)
gamete production
b)
mutations
c)
less diversity in genetic material
d)
greater diversity in genetic material
16.
What is formed at the end of meiosis?
a)
four genetically identical cells
b)
tow genetically identical cells
c)
four genetically different cells
d)
two genetically different cells
17.
A molecule that the base pairs much be A,G,T,C is
a)
a DNA molecule.
b)
an RNA molecule.
18.
Which of the following is a nucelotide found in DNA?
a)
adenine + phosphate + thymine
b)
cytosine + phosphate group + polymerase
c)
deoxyribose sugar + phosphate group + cytosine
19.
During DNA replication, a DNA strand that has the bases CTAGGT produces complimentary DNA strand with the bases
a)
GATCCA
b)
TCGAAC
c)
GAUCCA
d)
AGCTTG
20.
What would be two indicators that a molecule is RNA rather than DNA?
a)
Single stranded; adenine
b)
Double stranded; adenine
c)
Single stranded; uracil
d)
Double stranded; uracil
21.
Which type of RNA bring the information in the genetic code from the nucleus to other parts of the cell?
a)
rRNA
b)
tRNA
c)
mRNA
d)
RNA Polymerase
22.
What is produced during transcription?
a)
proteins
b)
DNA molecules
c)
mRNA molecules
d)
tRNA molecules
23.
Which molecules are involved in protein synthesis?
a)
transfer RNA, introns, mutagens
b)
messenger RNA, transfer RNA, and amino acids
c)
messanger RNA, ribosomal RNA
24.
What happens during translation?
a)
DNA is turned into RNA
b)
messenger RNA is made from DNA
c)
copies of DNA molecules are made
d)
ribosomes use a messanger RNA code to make proteins
25.
Any inheritable change in the genetic material is known as
a)
an inversion.
b)
a mutation.
c)
a translocation.
d)
a mutagen
26.
Which is the correct sequence of information during protein synthesis in most organisms?
a)
DNA to protein to RNA
b)
Protein to DNA to RNA
c)
RNA to protein to DNA
d)
DNA to RNA to protein
27.
What is the approximate probability that a human offspring will be a female?
a)
10%
b)
25%
c)
50%
d)
75%
28.
How many chromosomes are shown in a normal human karyotype?
a)
46
b)
2
c)
23
d)
44
29.
Males are more likely to have a sex-linked recessive trait which is located on ___.
a)
the X chromosome
b)
the Y chromosome
c)
both x and y chromosomes
d)
autosomal chromosomes
30.
What is one possible outcomes of nondisjunction?
a)
mutation
b)
trisomy
c)
sickle cell anemia
d)
color blindness
31.
The Human Genome Project is an attempt to
a)
sequence the DNA of every human gene.
b)
sequence every organisms DNA.
c)
cure infectious human diseases.
d)
identify all restriction enzymes.
32.
The process of making changes in the DNA code of living organisms is called ____.
a)
selective breeding
b)
genetic engineering
c)
inbreeding
d)
hyridization
33.
DNA fingerprinting relies on
a)
fingerprints for different people look identical.
b)
most genes are used for identification are dominant
c)
the most important genes are different among people
d)
no two people, except identical twins, have the exact same DNA
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