WorksheetsAP Biology: Unit 4 Review
Total questions: 45
Worksheet time: 29mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
3.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
4.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
5.
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
6.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
7.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
8.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
9.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
10.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
11.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
12.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
13.
Crossing over helps promote
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
14.
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
15.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
16.
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
17.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
18.
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.
19.
Which statement best describes the importance of sexual reproduction?
a)
sexual reproduction produces variation in offspring
b)
sexual reprosuction provides regeneration of body parts
c)
sexual reproduction occurs between individuals of the same species
d)
sexual reproduction produces offspring that are identical
20.
Identify the process.
a)
Mitosis
b)
Meiosis I
c)
Meiosis II
d)
Interphase
21.
One of the two halves of a chromosome.
a)
chromatid
b)
spindle fiber
c)
homologue
d)
replicant
22.
One difference between mitosis and meiosis is meiosis requires
a)
two cell divisions
b)
extra chromosomes
c)
two mother cells
d)
DNA replication
23.
Haploid Cells are represented by
a)
2n
b)
n
c)
1/2 n
d)
4n
24.
Which of the following is not a part of interphase?
a)
G2
b)
M
c)
G1
d)
S
25.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
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.
sequence
a)
C,D, B, A, F, E
b)
D,A,F,C,E,B
c)
B,E,C,F,A,D
d)
C,B,D,A E,F
28.
the phase of mitosis in which the sister chromatids separate from each other
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
29.
How does mitosis in plant cells differ from mitosis in animal cells?
a)
animal cells form a cell plate
b)
plant cells form a cell plate
c)
plant cells go through the process in reverse
d)
plant cells go through two rounds of mitosis while animal cells just do one
30.
If there are 30 chromosomes in the blood cells, how many chromosomes will be in the bone cells?
a)
15
b)
60
c)
30
d)
120
31.
DNA wraps around organizing proteins called:
a)
chromatin
b)
chromatid
c)
histones
d)
centromere
32.
Where does DNA synthesis happen in eukaryotic cells?
a)
cytoplasm
b)
mitochondria
c)
nucleus
d)
Golgi apparatus
33.
The cell cyle is regulated by...
a)
cyclins
b)
CDK's
c)
hormones
d)
CDK's and cyclins
34.
In which phase of mitosis do the sister chromatids line up on the equator of the cell?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
35.
In which phase of mitosis are sister chromatids pulled to opposite sides of the cell?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
36.
In which phase of mitosis does the nucleus disappear, centrioles move to the poles, and chromosomes condense into sister chromatids?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
37.
Which step of the cell cycle do cells spend a majority of their time?
a)
Prophase
b)
Interphase
c)
Mitosis
d)
Cytokinesis
38.
In which phase of the cell cycle do the cells split apart?
a)
Prophase
b)
Interphase
c)
Mitosis
d)
Cytokinesis
39.
Why do cells go through cell division
a)
Growth
b)
Reproduction
c)
Repair
d)
All of the above
40.
Which significance level
(column) do you look at when finding the critical value?
(column) do you look at when finding the critical value?
a)
.50
b)
.10
c)
.05
d)
.01
41.
How do you find degrees of freedom?
a)
one less than the possible genotypes
b)
one less than the possible phenotypes
c)
total number divided 2
d)
total number times 2
42.
How do you find critical value?
a)
where degrees of freedom lines up with significance level
b)
where significance level lines up with chi-square
c)
the difference between total and chi-square
d)
degrees of freedom minus significance level
43.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
What is the degrees of freedom?
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
What is the degrees of freedom?
a)
1
b)
2
c)
3
d)
4
44.
What are the degrees of freedom for the following χ² test?
a)
6
b)
2
c)
5
d)
36
45.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
Chi square + 5.96
Would you accept or reject?
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
Chi square + 5.96
Would you accept or reject?
a)
accept
b)
reject
100 %
