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RMHS Meiosis

Total questions: 70

Worksheet time: 37mins

Name
Class
Date
1.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
2.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
3.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
4.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
5.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
6.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
7.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
8.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
9.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
10.
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
11.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
12.
What phase is  shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
13.
products of meiosis are genetically
a)
different
b)
identical
14.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
15.
Which of the following represents chromosome # during fertilization?
a)
n+n=2n
b)
n=n
c)
2n=n+n
d)
2n=2n
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.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
18.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
19.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
20.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
21.
The pair of chromosomes that contain the same genes (but may be coded differently) and are inherited from a male and female parent are termed ___.
a)
gametes
b)
alleles
c)
zygote
d)
homologs
22.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
23.

Is the following cell diploid or haploid?

a)

Diploid

b)

Haploid

24.
When does replication of chromosomes occur in animal cell meiosis?
a)
Before Meiosis I and Meiosis II
b)
Before Meiosis II Only
c)
Before Meiosis I Only
d)
During Prophase I and Prophase II
25.
In sexual reproduction, chromosome reduction is necessary to ___.
a)
ensure that all offspring have the correct diploid number of chromosomes
b)
ensure that all offspring have the correct haploid number of chromosomes
c)
ensure that all daughter cells are identical
26.

1n indicates that the cell is ____.

a)

Diploid

b)

Haploid

27.

Is this a normal human karyotype?

a)

YES

b)

NO

28.

Mitosis makes sure that all daughter cells are _____.

a)

genetically identical, diploid

b)

genetically identical, haploid

c)

genetically diverse, diploid

d)

genetically diverse, haploid

29.
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
30.
Which of the following cell types is formed by meiosis?
a)
skin cells
b)
sperm cells
c)
blood cells
d)
muscle cells
31.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)
segregation of sister chromatids
b)
condensation and segregation of alleles
c)
mutationin which the DNA content of the gene is altered
d)
crossing - over in which alleles are exchanged
32.
What is one advantage of sexual reproduction?
a)
The offspring are identical to the parents
b)
the offspring are resistant to viruses
c)
the offspring are born live, instead of from eggs
d)
The offspring inherit a wider variety of genetic information
33.
If an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg cell would contain___________.
a)
12 chromosomes
b)
6 chromosomes
c)
3 chromosomes
d)
24 chromosomes
34.
Which of the following best describes neiosis?
a)
It happens in all tissues except the brain and spinal cord
b)
It is the 1st stage of mitosis
c)
It occurs only in cells in the reproductive structures of the organism
d)
it is carried out in all tissues that require cell replacement
35.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ____ occurs.
a)
mutagenesis
b)
hybridization
c)
crossing over
d)
fertilization
36.
a)

INCREASES GENETIC VARIATION

b)

TAKES PLACE IN PROPHASE I

c)

CROSSING OVER

d)

ALL ARE TRUE

37.

__________-RE-ORDERS THE BASE SEQUENCE ;

EXAMPLE TO CREATE MORE GENETIC DIVERSITY

(ATA-CCG) TO (TTA-GGC)

a)

CROSSING OVER

b)

MITOSIS

c)

ASEXUAL REPRODUCTION

38.

MITOSIS

a)

INCREASES GENETIC VARIATION

b)

ALLOWS TRAITS TO BE PASSED ON TO OFFSPRING

c)

PRODUCES 2 IDENTICAL DAUGHTER CELLS

d)

ALL ARE TRUE

39.

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

40.

MEIOSIS PRODUCES 4 CELLS-THE CHROMOSOME NUMBER IS ...

a)

DIPLOID

b)

HAPLOID

41.

MEIOSIS PRODUCES 4 CELLS, THEY ARE

a)

N

b)

2N

c)

3N

42.

1N AND N MEAN THE SAME THING (LIKE MATH)

a)

TRUE

b)

FALSE

43.

NORMAL HUMANS HAVE 46 CHROMOSOMES, HOW MANY WILL THE GERM CELLS HAVE AFTER MEIOSIS?

a)

46

b)

23

c)

12

d)

92

44.

MOVING MOLECULES AGAINST A CONCENTRATION GRADIENT IS

a)

PASSIVE TRANSPORT

b)

ACTIVE TRANSPORT

45.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
46.

A dog has 78 chromosomes in its body cells. What is the diploid number?

a)

78

b)

39

c)

1

d)

100

47.

Body cells have diploid or haploid number of chromosomes?

a)

Haploid

b)

Diploid

48.

diploid cell is to body cell, as haploid is to ___________________

a)

egg cell

b)

chromosome

c)

sex chromosome

d)

out of body cell

49.

Body cells are also known as

a)

somatic cells

b)

gametes

c)

haploid cells

d)

sex cells

50.

diploid or haploid

a)

diploid

b)

haploid

51.

diploid or haploid

a)

diploid

b)

haploid

52.

diploid or haploid

a)

diploid

b)

haploid

53.
What is the haploid number for this Karyotype?
a)
26
b)
27
c)
52
d)
54
54.
How many cell divisions does meiosis have?
a)
1
b)
2
c)
4
d)
0
55.
Which is the correct sequence? 
a)
mitosis - gametes - zygote - meiosis - fertilization - embryo
b)
Fertilization-mitosis-zygote-gametes-meiosis-embryo
c)
meiosis-zygote-gametes-mitosis-fertilization-embryo
d)
meiosis-gametes-fertilization-zygote-mitosis-embryo
56.
A zygote has 4 chromosomes, how many chromosomes were in the gametes?
a)
2
b)
4
c)
8
d)
1
57.
The two parts of a double-stranded chromosome are held together by a... 
a)
Nucleolus
b)
spindle fiber
c)
centromere
d)
centriole
58.
What would indicate a human male?
a)
XX
b)
X
c)
XY
d)
XXY
59.
What is a picture used to examine chromosomes called?
a)
Sonogram
b)
Electrocardiogram
c)
X-Ray
d)
Karyotype
60.
What type of mutation is this?
a)
Deletion
b)
Inversion
c)
Duplication
d)
Substitution
61.
The likely cause of genetic disorders is...
a)
Nondisjunction
b)
Overfertilization
c)
Uncontrolled Meiosis
d)
Translocation
62.
Which reproductive process offers the greatest chance for variation within a species?
a)
Sexual Reproduction
b)
Budding
c)
Binary Fission
d)
Pollination
63.

The control center of the cell is the ________

a)

cell membrane

b)

nucleus

c)

mitochondria

d)

chloroplast

64.

Inside the nucleus of cells, you can find ________; the “instructions for life”

a)

nuclear membrane

b)

chromosomes

c)

mitosis

d)

mitochondria

65.

Mitosis takes place in _____

a)

sex cells (gametes)

b)

somatic cell (non sex cells)

66.

Mitosis turns a single parent cell into ____ new cells

a)

0

b)

1

c)

2

d)

4

67.

Meiosis turns a single parent cell into _______ new daughter cells

a)

0

b)

1

c)

2

d)

4

68.

The primary function of mitosis is _______

a)

to create genetic variety

b)

growth and repair of cells

69.

The primary function of meiosis is _______

a)

growth and repair

b)

to create genetic variety

70.

Meiosis creates daughter cells which are genetically identical to the parent

a)

True

b)

False

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