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WorksheetsMeiosis
Total questions: 45
Worksheet time: 32mins
Name
Class
Date
1.
Name that process
a)
Mitosis
b)
Meiosis
c)
Mutation
d)
Cell Cycle
2.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
3.
The female sex cell is called
a)
zygote
b)
sperm
c)
fertilization
d)
egg
4.
The male sex cell is called
a)
egg
b)
zygote
c)
sperm
d)
mitosis
5.
Humans have how may chromosomes ?
a)
112
b)
46
c)
8
d)
67
6.
Name the growth phase of the cell cycle.
a)
metaphase
b)
telophase
c)
interphase
d)
anaophase
7.
This type of cell has a nucleus.
a)
prokaryotes
b)
eukaryotes
c)
cytoplasm
8.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
9.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
10.
Most of the cells in the human body are produced by
a)
mitosis
b)
meiosis
11.
products of meiosis are genetically
a)
different
b)
identical
12.
You get one homologous chromosome from your ________ and one from your _______.
a)
dad, mom
b)
brother, sister
c)
grandmother, grandfather
d)
the stork, the stork
13.
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
14.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
15.
Chromosomes that have the same sequence of genes, that have the same structure, and that pair during meiosis
a)
homologous chromosomes
b)
tetrads
c)
synapsis
d)
crossing over
16.
The union of male and female gametes to form a zygote
a)
sperm
b)
egg
c)
fertilization
d)
tetrads
17.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
18.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
19.
Crossing over helps promote
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
20.
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
21.
What is another reason we need meiosis?
a)
So the offspring has genes from both parents
b)
So the offspring has genes from one parent
c)
So the offspring has genes from neither parents
d)
So the offspring makes its own genes
22.
Chromosomes exchange genetic material during
a)
crossing over
b)
replication
c)
synthesis
d)
translation
23.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
24.
Which of these cells would be produced through meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
25.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
26.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
27.
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
28.
This produces 2 identical cells.
a)
mitosis
b)
meiosis
29.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
30.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
31.
Which of the following produces identical neclei in cells?
a)
pollination
b)
mitosis
c)
osmosis
d)
fertilization
32.
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
33.
Which of the following best explains why the chromosome number is an even number in organisms?
a)
It is only by coincidence, many organisms have an odd number
b)
The diploid number is always even so that when mitosis occurs each cell gets the same number of chromosmes
c)
The diploid chromosome number represents pairs of chromosomes, one from ech parent, so that it is always an even number
d)
Chromosomes double very time the cell divides, so after the first division, the number is always even
34.
Body cells of fruit flies contain 8 chromosomes. Scientists used studies of flies to discover how egg and sperm are formed. What did they observe?
a)
Body cell of offspring flies have 16 chromosomes
b)
Sperm cells have 8 chromosomes
c)
Egg cells have 4 chromosomes
d)
Body cells of offspring have 4 chromosomes
35.
What is one advantage of sexual reproduction?
a)
offspring are identical to parents
b)
offspring are resistant to viruses
c)
offspring are born live, rather thna from eggs
d)
offspring inherit a wider variety of genetic information
36.
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
37.
How is this process used in the bodies of male animals?
a)
to produce sperm
b)
to produce DNA sequences
c)
to produce white blood cells
d)
to produce digestive enzymes
38.
What is the sex of this baby?
a)
Male
b)
Female
39.
Which genetic abnormality is shown in this karyotype?
a)
Partial Addition of Y
b)
Partial Deletion #7
c)
Extra Chromosome at # 21
d)
Monosomy of X
40.
What would indicate a human male?
a)
XX
b)
X
c)
XY
d)
XXY
41.
What is a picture used to examine chromosomes called?
a)
Sonogram
b)
Electrocardiogram
c)
X-Ray
d)
Karyotype
42.
The two parts of a double-stranded chromosome are held together by a...
a)
Nucleolus
b)
spindle fiber
c)
centromere
d)
centriole
43.
What is the gender of the individual whose karyotype is seen in the image?
a)
Male
b)
Female
44.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
(Hint: Tri means 3)
(Hint: Tri means 3)
a)
Turner's Syndrome
b)
Trisomy 21 (Down Syndrome)
c)
Trisomy 13
d)
Trisomy 18
45.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
(Hint- Tri means 3)
(Hint- Tri means 3)
a)
Trisomy 21 (Down Syndrome)
b)
Trisomy 13
c)
Trisomy 18
d)
Klinefelter's Syndrome
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