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6 Meiosis

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.
Cells that have only one chromosome from each pair
a)
meiosis
b)
haploid
c)
homologous
d)
diploid
2.
The type of reproduction in which the genetic material from two different cells combine
a)
budding
b)
chromosomes
c)
diploid
d)
sexual reproduction
3.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
4.
How many cells are produced during telophase I ?
a)
4
b)
8
c)
2
d)
0
5.
The female sex cell is called
a)
zygote
b)
sperm
c)
fertilization
d)
egg
6.
The male sex cell is called
a)
egg
b)
zygote
c)
sperm
d)
mitosis
7.
Humans have how may chromosomes ?
a)
112
b)
46
c)
8
d)
67
8.
Mitosis produces how many daughter cells ?
a)
6
b)
4
c)
8
d)
2
9.
Name the growth phase of the cell cycle.
a)
metaphase
b)
telophase
c)
interphase
d)
anaophase
10.
This type of cell has a nucleus.
a)
prokaryotes
b)
eukaryotes
c)
cytoplasm
11.
Crossing over occurs in which phase ?
a)
metaphase I
b)
anaphaseII
c)
telophaseII
d)
prohase I
12.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
13.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
14.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
15.
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?
a)
The same number
b)
One-fourth as many
c)
Twice as many
d)
Half as many
16.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
17.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
18.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
19.
A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?
a)
23
b)
46
c)
69
d)
92
20.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
21.

MEIOSIS

a)

REDUCES THE NUMBER OF CHROMOSOMES BY ONE HALF

b)

PRODUCES UNIQUE SEX CELLS-1N

c)

ALLOWS TRAITS TO BE PASSED TO OFFSPRING

d)

ALL ARE TRUE

e)

INCREASE GENETIC VARIATION

22.

MITOSIS

a)

INCREASES GENETIC VARIATION

b)

ALLOWS TRAITS TO BE PASSED ON TO OFFSPRING

c)

PRODUCES 2 IDENTICAL DAUGHTER CELLS

d)

ALL ARE TRUE

23.

FERTILIZATION OCCURS WHEN

a)

THE SPERM UNITES WITH THE EGG

b)

THE SPERM UNDERGO MEIOSIS

c)

THE EGG UNDERGOES MEIOSIS

d)

THE EGG AND SPERM UNDERGOES MEIOSIS

24.

MEIOSIS PRODUCES 4 CELLS, THEY ARE

a)

N

b)

2N

c)

3N

25.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
26.
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
27.

At the end of mitosis you have _____ cells.

a)

identical

b)

different

c)

identical twins

d)

variety

28.

The products of meiosis are genetically...

a)

different.

b)

identical.

29.

Identify a purpose of mitosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

30.

Identify a purpose of meiosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

31.

What are homologous chromosomes?

a)

Pairs of chromosomes with different genes on each.

b)

Pairs of chromosomes with the same genes on each.

c)

Pairs of chromosomes with no genes.

d)

Pairs of chromosomes with the wrong genes on each.

32.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)
Sex Cells or Gametes
33.
Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...
a)
DNA replicates
b)
DNA splits
c)
DNA forms chromosomes
d)
Chromosomes cross over
34.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
35.
What phase is shown here?
a)
Anaphase II
b)
Metaphase I
c)
Anaphase I
d)
Telophase II
36.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
37.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
38.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
 Metaphase I
39.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
40.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
41.
What phase is this?
a)
Interphase II
b)
Prophase I
c)
Metaphase I
d)
Anaphase II
42.
What phase is  shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
43.

Is the following cell diploid or haploid?

a)

Diploid

b)

Haploid

44.
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
45.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2

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