NEW
Font size
S
M
L
XL
WorksheetsMeiosis
Total questions: 47
Worksheet time: 44mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
3.
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
4.
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
5.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
6.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
7.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
8.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
9.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
10.
Which of these cells would be produced through meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
11.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
12.
Crossing over helps promote
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
13.
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
14.
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
15.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
16.
What phase is represented?
a)
prophase1
b)
prophase 2
c)
telophase 1
d)
telophase 2
17.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
18.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
19.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
20.
Which of the following sequences represents chromosome # during fertilization?
a)
2n-> n + n
b)
n + n -> 2n
c)
n -> n
d)
2n -> 2n
21.
Based only on the sex chromosomes in a human egg and sperm cells at fertilization, the probability of producing a female is
a)
25%
b)
50%
c)
75%
d)
90%
22.
Is the following cell diploid or haploid?
a)
Diploid
b)
Haploid
23.
a)
Prophase I
b)
Prophase II
c)
Telophase I
d)
Telophase II
24.
a)
Prophase I
b)
Prophase II
c)
Telophase I
d)
Telophase II
25.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
26.
What phase does one cell begin to prepare to divide by having the nuclear membrane disappear and spindle fibers appear?
a)
Prophase I
b)
Prophase II
c)
Metaphase I
d)
Telophase II
27.
What phase do homologous chromosome pairs line up in the center of the cell?
a)
Prophase I
b)
Metaphase I
c)
Metaphase II
d)
Anaphase II
28.
Meiosis produces how many cells at the end?
a)
1
b)
2
c)
4
d)
6
29.
CROSSING OVER TAKES PLACE DURING
a)
PROPHASE II
b)
PROPHASE I
c)
INTERPHASE
d)
METAPHASE I
30.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
31.
Mitosis produces how many daughter cells ?
a)
6
b)
4
c)
8
d)
2
32.
What phase is the picture showing?
a)
Metaphase I
b)
Metaphase II
c)
Prophase II
d)
Anaphase I
33.
What phase of Meiosis is this?
a)
Telophase I
b)
Anaphase I
c)
Anaphase II
d)
Telophase II
34.
What phase of Meiosis is the picture showing?
a)
Metaphase I
b)
Telophase I
c)
Anaphase II
d)
Telophase II
35.
What phase is in the picture?
a)
Anaphase I
b)
Anaphase II
c)
Telophase I
d)
Metaphase II
36.
What phase is in the picture?
a)
Metaphase 1
b)
Metaphase 2
c)
Prophase 1
d)
Prophase 2
37.
What phase is in the picture?
a)
Prophase 1
b)
Prophase 2
c)
Telophase 2
38.
The correct order of the phases of mitosis and meiosis could be abbreviated as:
a)
MAPT
b)
PAMT
c)
TPAM
d)
PMAT
39.
What phase is this?
a)
Interphase II
b)
Prophase I
c)
Metaphase I
d)
Anaphase II
40.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
41.
If the diploid number of carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
42.
Meiosis occurs in the testes in men and the ___________ in women.
a)
uterus
b)
cervix
c)
ovaries
d)
stomach
43.
The process of crossing over occurs in what meiotic phase?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
44.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
4 identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
45.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
46.
Which of the following represents chromosome # during fertilization?
a)
n+n=2n
b)
n=n
c)
2n=n+n
d)
2n=2n
47.
The structure labeled A is a(n)
a)
chromatid
b)
centriole
c)
centromere
d)
chromophere
Reset
