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WorksheetsGenetics Review
Total questions: 47
Worksheet time: 36mins
Name
Class
Date
1.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
2.
How many chromosomes are normally found in human body cells?
a)
46
b)
23
c)
26
d)
44
3.
Mitosis is a type of ________________ reproduction.
a)
Sexual
b)
Asexual
4.
Results of cell division or mitosis include all of the following EXCEPT?
a)
growth
b)
repair damaged cells
c)
replace damaged cells
d)
dead cells
5.
What process does a multi-cellular organism use to replace its damaged body cells?
a)
mitosis
b)
meiosis
c)
replication
d)
transcription
6.
What is the image above:
a)
Chromosome
b)
Chromotid
c)
Centromere
d)
Centriole
7.
A chromosome is packaged
a)
DNA
b)
Protein
c)
Carbohydrates
d)
Lipids
8.
A process where one cell forms two identical daughter cells is called...
a)
cell cycle
b)
cell division (mitosis)
c)
interphase
d)
cytokinesis
9.
What does DNA stand for?
a)
DeNatured Acid
b)
DomiNant Acid
c)
DeoxyriboNucleic Acid
d)
DiriboNucleic Acid
10.
Replication is when __________.
a)
the cell makes a copy of its DNA in nucleus
b)
the cell forms 2 identical cells
c)
the cell produces 2 sets of organelles
d)
the cell continues to complete the same function
11.
Where does replication occur within the cell?
a)
in the cytoplasm
b)
in the nucleus
c)
in the ribosome
d)
in the chromatin
12.
The genetic material that has the instructions for how the cell is to be run is called the _________.
a)
nucleus
b)
chromatin
c)
chromatid
d)
carbohydrate
13.
What is one half or one rod of the condensed chromatin called?
a)
DNA
b)
chromatin
c)
chromatid
d)
chromosome
14.
What is the correct term for "the basic building block of all living organisms"?
a)
cell
b)
cell cycle
c)
cell plate
d)
centriole
15.
What is the correct term for "contains the genetic material (DNA) and serves as the control center of the cell"?
a)
centriole
b)
nucleus
c)
spindle fibers
d)
cytokinesis
16.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
17.
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
18.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
19.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
20.
Why is sexual reproduction better than asexual reproduction?
a)
It gives an advantage to organisms to be different than the rest, if the environment changes.
b)
It is better for all organisms to be the same.
c)
It happens faster.
d)
It helps skin cells divide faster to heal wounds.
21.
The process on the left is:
The process on the right is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
Right: cloning
c)
Left: mitosis
Right: meiosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
Right: mitosis
22.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
23.
Which of the following best describes meiosis?
a)
It is carried out in all tissues theat require cell replacement
b)
It occurs only in cells in the reproductive structures of an organism
c)
It happens in all of the tissues except the brain and spinal cord
d)
It is the first stage of mitosis
24.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
25.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
26.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
27.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
28.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
29.
Is this karyotype for a male or female?
a)
MALE
b)
FEMALE
30.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
31.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
32.
At the end of mitosis you have _____ cells
a)
identical
b)
different
c)
identical twins
d)
variety
33.
products of meiosis are genetically
a)
different
b)
identical
34.
How are your chromosomes inherited?
a)
most of your chromosomes from your mother
b)
most of your chromosomes from your father
c)
a random number of chromosomes from each parent
d)
half your chromosomes from your mother and half from your father.
35.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
heterozygous
b)
asexual
c)
homologous pairs
d)
genes
36.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
37.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
38.
one set of instructions for an inherited trait
a)
phenotype
b)
genotype
c)
gene
d)
genetic variation
39.
an organism's appearance or other detectable characteristic
a)
phenotype
b)
genotype
c)
gene
d)
allele
40.
the entire genetic makeup of an organism; the combination of genes for one or more specific traits
a)
phenotype
b)
gene
c)
genotype
d)
allele
41.
one of the alternative forms of a gene that governs a characteristic
a)
allele
b)
phenotype
c)
gene
d)
genetic variation
42.
The mathematical chance that something will happen is known as
a)
possibility
b)
probability
c)
percentage
d)
product
43.
An example of how several genes influence one trait is
a)
eye color and fur color in a white tiger
b)
shades of eye color in humans
c)
whether a pea seed is smooth or wrinkled
d)
whether a pea flower is purple or white
44.
What is a structural change to a gene located on a chromosome called?
a)
Mutation
b)
Genotype
c)
Nucleus
d)
RNA
45.
What do we call specific sequences of genetic material that code for a trait?
a)
Genotype
b)
RNA
c)
Phenotype
d)
DNA
46.
Where is the genetic material located in the cell?
a)
Chromosomes
b)
Nucleus
c)
Golgi Bodies
d)
Ribosomes
47.
What is the genetic material that is responsible for how you look and is passed down from your parents?
a)
Phenotype
b)
DNA
c)
Protein
d)
Genes
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