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Dr. Potts - Unit 3 Quiz 1 (Sem 2).

Total questions: 34

Worksheet time: 44mins

Name
Class
Date
1.

How many daughter cells are made during mitosis?

a)

1

b)

2

c)

3

d)

4

2.

What is cytokinesis?

a)

The division of the nucleus

b)

The division of the cell and cytoplasm

c)

The merge of two cells

3.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
4.
In which phase does the cell spend most of it's life?
a)
Interphase
b)
Nuclear Division
c)
Telophase
d)
Mitosis
5.

How many daughter cells are made during meiosis?

a)

1

b)

2

c)

3

d)

4

6.
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
7.

In humans, how many chromososmes will be in a daughter cell after mitosis?

a)

23

b)

46

8.
This picture shows which process? 
a)
mitosis
b)
meiosis
c)
the cell cycle
9.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
10.
During what phase of the cell cycle is DNA replicated?
a)
G1 phase
b)
S phase
c)
G2 phase
d)
M phase
11.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
12.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
13.

What type of asexual reproduction does the figure represent?

a)

Binary Fission

b)

Budding

c)

Vegetative Propagation

d)

Fragmentation

14.

What is the type of asexual reproduction when one cell divides to form two identical cells?

a)

Binary Fission

b)

Budding

c)

Vegetative Propagation

d)

Fragmentation

15.

Use the illustration to answer the question.


Which statement BEST describes the phase of the cell cycle show?

a)

The cell is in prophase of mitosis because the number of chromosomes has doubled.

b)

The cell is in prophase I of meiosis because the number of chromosomes has doubled.

c)

The is in telophase of mitosis because the cell is separating and contains two copies of each chromosome.

d)

The cell is in telophase of meiosis because the cell is separating and contains two copies of each chromosome.

16.

Involves two parents and produces offspring different from parents

a)

external fertilization

b)

sexual reproduction

c)

internal fertilization

d)

asexual reproduction

17.

Some advantages of sexual reproduction include: (select all that apply)

a)

genetic variation

b)

improves chances of adapting to the environment

c)

helps species survive catastrophes

d)

it doesn't take as much energy as asexual reproduction

18.

What are some disadvantages to sexual reproduction? (select all that apply)

a)

it takes a lot of energy to find a mate

b)

you don't need another mate

c)

it requires a male and a female

d)

more genetic errors can occur

19.

What are some advantages of asexual reproduction are: (select all that apply)

a)

it only requires one organism

b)

it takes less energy than sexual reproduction

c)

offspring are already well-adapted for the environment

d)

there is a lot of genetic variety

20.

Ends with diploid number of chromosomes

a)

Mitosis

b)

Meiosis

c)

Both

21.

How many chromosomes are there in a somatic cell?

a)

23

b)

26

c)

43

d)

46

22.

How many divisions take place in meiosis?

a)

1

b)

2

c)

3

d)

4

23.
Identify the stage of mitosis.
a)
interphase
b)
prophase
c)
metaphase
d)
anaphase
24.
In meiosis, crossing over occurs in prophase 1. What is the significance of this event?
a)
This allows chromosomes to be evenly divided.
b)
This process can lead to genetic variation and diversity.
c)
This process can create gaps the DNA.
d)
This process allows for new DNA to form.
25.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
26.
What is a phenotype?
a)
The expression of a trait; what you see.
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
27.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
28.
If a heterozygous tall pea plant is crossed with a short pea plant, what are the possible genotypes of the future offspring?
a)
100% Tt
b)
50% Tt, 50% tt
c)
75%Tt, 25%tt
d)
25%TT, 50%Tt, 25%tt
29.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
30.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
31.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
32.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
33.
A heterozygous yellow pea plant's genotype would be:
a)
YY
b)
yy
c)
Yy
d)
Yg
34.
If T=Tall & t=short, what is the genotypic ratio?
a)
1:3
b)
3:1
c)
1:2:1
d)
2:2

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