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Meiosis practice

Total questions: 35

Worksheet time: 22mins

Name
Class
Date
1.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
2.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
3.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
4.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
5.
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
6.
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
7.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
8.

When one cell undergoes meiosis, what is the result?

a)

2 cells that are genetically identical

b)

2 cells that are genetically different

c)

4 cells that are genetically identical

d)

4 cells that are genetically different

9.

Which of the following is true of mitosis and meiosis?

a)

Mitosis produces more cells than meiosis

b)

Mitosis is slower than meiosis

c)

Mitosis results in more genetic diversity than meiosis

d)

Mitosis results in less genetic diversity than meiosis

10.

What is fertilization?

a)

The process by which one haploid cell becomes one diploid cell

b)

The process by which all offspring are made

c)

The process by which a zygote undergoes division

d)

The process by which the genetic material from two parents combine into one cell

11.

A diploid animal has 12 chromosomes in its blood cell. How many chromosomes does it have in a sperm cell?

a)

12

b)

6

c)

24

d)

3

12.

How does meiosis create genetic diversity?

a)

Fertilization mixes up genes from different parents

b)

Crossing over exchanges DNA between homologous chromosomes

c)

Crossing over exchanges DNA between sister chromatids

d)

Division of the nucleus makes new genes

13.
Which structure is labeled as A in the diagram?
a)
Centromere
b)
Chromosome
c)
Sister chromatids
14.
Which would be considered a somatic cell?
a)
Sperm cell
b)
Egg Cell
c)
Skin Cell
d)
All of these
15.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
16.
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
17.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
18.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

19.

Also known as sex cells, egg cells and sperm cells

a)

somatic cell

b)

gamete

c)

daughter cell

d)

sister chromatid

20.

Also known as body cells, they make up most of your body tissues and organs

a)

Somatic cell

b)

Gamete

c)

Daughter cell

d)

sister chromatid

21.

Two chromosomes - one from the mother and one from the father - that have the same length and general appearance

a)

homologous chromosomes

b)

sister chromatids

c)

sex chromosomes

d)

chromatin

22.

Process by which cells from two different parents unite to produce the first cell of a new organism.

a)

gamete

b)

Sex chromosome

c)

Sexual reproduction

d)

Diploid

23.

Means a cell has two copies of each chromosome

a)

gamete

b)

Haploid

c)

Diploid

d)

polar body

24.

Means a cell has only one copy of each chromosome

a)

Sperm

b)

Diploid

c)

Haploid

d)

Polar Body

25.

Is a form of cell division that divides a diploid cell into 4 haploid cells

a)

Fertilization

b)

Sexual reproduction

c)

Mitosis

d)

Meiosis

26.

What kind of cells are made in meiosis?

a)

Haploid Gametes

b)

Diploid Somatic Cells

c)

Skin Cells

d)

Liver Cells

27.

Before meiosis, the DNA is replicated during this phase.

a)

Prophase

b)

Interphase

c)

Metaphase

d)

Doubling phase

28.
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.
29.
What is the name of the process in which DNA (genetic information) is exchanged during meiosis?
a)
crossing under
b)
crossing over
c)
melding
d)
blending
30.
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
31.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
32.
What scientific process is being shown?
a)
Mixing
b)
Crossing under
c)
Crossing over
d)
square dancing
33.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
34.
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
35.
Which best describes the process shown?
a)
mutation in which the DNA content of the gene is ltered
b)
segregation of sister chromatids
c)
condensation and segregation of the alleles
d)
crossing-over which alleles are exchanged

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