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WorksheetsMeiosis Review Quiz
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
If an organism has a haploid number of 12, how many chromosomes are in the organism's body cells?
a)
6
b)
12
c)
18
d)
24
2.
In humans, the diploid number of chromosomes in a heart cell is 46. How many chromosomes are in a human sperm cell?
a)
46
b)
47
c)
92
d)
23
3.
Haploid is to a sex cell as diploid is to a/an ___.
a)
autosome
b)
somatic cell
c)
zygote
d)
chromosome
4.
The photo is a picture of chromosomes from a human cell. A student can study the picture and learn about the
a)
molecular structure of a chromosome.
b)
complete medical history of a person.
c)
genes that are present in a strand of DNA.
d)
number of chromosomes present in a cell.
5.
Of the following statements, which one is NOT true about the chromosomes in your body's cells?
a)
They exist in 23 pairs.
b)
They include 46 total chromosomes.
c)
They exist in 46 pairs.
d)
They include two sex chromosomes.
6.
What process is occurring at Step A in the diagram?
a)
mitosis
b)
meiosis
c)
fertilization
d)
crossing over
7.
In the diagram shown, what process is occurring at Step B?
a)
mitosis
b)
meiosis
c)
fertilization
d)
crossing over
8.
If an organism's diploid number is 16, its haploid number is ___.
a)
4
b)
8
c)
24
d)
32
9.
Gametes
a)
have twice the number of chromosomes in body cells.
b)
have two sets of chromosomes.
c)
have only homologous chromosomes.
d)
have half the number of chromosomes found in body cells.
10.
Gametes are produced by the process known as
a)
replication.
b)
mitosis.
c)
meiosis.
d)
crossing over.
11.
What is shown in the diagram?
a)
crossing over
b)
anaphase II of meiosis
c)
replication of chromosomes
d)
zygote formation
12.
Unlike mitosis, meiosis results in the formation of
a)
four genetically identical daughter cells.
b)
four genetically different haploid cells.
c)
four genetically different diploid cells.
d)
four genetically identical haploid cells.
13.
Of the following, which is NOT true of meiosis?
a)
Chromosome number is reduced by half.
b)
It produces somatic cells.
c)
It involves TWO cell divisions.
d)
It produces gametes.
14.
Crossing over results in ___.
a)
genetic recombination of chromosome pieces.
b)
DNA replication during mitosis.
c)
an extra chromosome in the cell.
d)
fertilization.
15.
A gamete that contains genes contributed only by the mother is ___.
a)
a sperm cell
b)
an egg cell
c)
a zygote
d)
a spermatid
16.
A structure with four chromatids lying side by side is a/an
a)
chromatid.
b)
centromere.
c)
tetrad.
d)
homolog.
17.
What will be the outcome of the process shown in the diagram?
a)
four sex cells: two male and two female
b)
four identical daughter cells
c)
four daughter cells, each with a different number of chromosomes.
d)
four sex cells, each with a different combination of DNA.
18.
The process shown in the diagram represents
a)
mitosis.
b)
chromosome crossing over.
c)
meiosis.
d)
trisomy 21.
19.
Sex cells are also known as ___.
a)
gametes
b)
tetrads
c)
somatic cells
d)
autosomes
20.
The differences between mitosis and meiosis are that
a)
mitosis involves 2 cell divisions, meiosis only involves one.
b)
mitosis reduces the number of chromosomes in cells while meiosis keeps the number the same.
c)
mitosis involves one cell division while meiosis involves two.
d)
mitosis doubles the number of chromosomes in cells while meiosis keeps the number the same.
21.
In humans, chromosomes numbered 1-22 are called ___.
a)
autosomes
b)
sister chromatids
c)
somatosomes
d)
sex chromosomes
22.
T/F: Crossing over in meiosis increases genetic variation.
a)
True
b)
False
23.
If a person has the XY chromosome combination, the person
a)
is a female.
b)
is a superfemale.
c)
is a male.
d)
has Down syndrome.
24.
In humans, the chromosome which codes for testes, a deeper voice, and more body hair is which?
a)
18
b)
21
c)
X
d)
Y
25.
T/F: Chromosomes which have the same size and shape are called homologous chromosomes.
a)
True
b)
False
26.
The 2n number is the same as the
a)
haploid number.
b)
autosome number.
c)
diploid number.
d)
sex chromosome number.
27.
When an area of a chromatid is exchanged with the corresponding area on the chromatid of its homologous chromosome, ___ occurs.
a)
gametogenesis
b)
crossing over
c)
replication
d)
fertilization
28.
T/F: Meiosis produces somatic cells, mitosis produces gametes.
a)
True
b)
False
29.
The number of chromosomes in a normal human body cell is ___.
a)
2
b)
23
c)
44
d)
46
30.
In humans, the n number of chromosomes is
a)
X
b)
Y
c)
23
d)
46
31.
T/F: Meiosis produces somatic cells, mitosis produces gametes.
a)
True
b)
False
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