WorksheetsCellular Reproduction Part Two
Total questions: 35
Worksheet time: 19mins
Name
Class
Date
1.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)
Sex Cells or Gametes
2.
How many daughter cells are produced at the end of mitosis?
a)
1
b)
2
c)
3
d)
4
3.
The purpose of sexual reproduction and meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
4.
How many daughter cells are produced at the end of meiosis?
a)
1
b)
2
c)
3
d)
4
5.
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
6.
In meiosis, Prophase 1 is when chromosomes...
a)
cross over
b)
mutate
c)
hybridize
d)
fertilize
7.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
8.
What is one reason why 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
9.
What is one of the advantages, of reproducing sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
10.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
11.
Which of the following produces identical nuclei in cells?
a)
pollination
b)
mitosis
c)
osmosis
d)
fertilization
12.
Which of the following cell types is formed by meiosis?
a)
muscle cells
b)
skin cells
c)
sperm cells
d)
blood cells
13.
Which process is necessary for the inherited traits of an organism to be passed along by sexual reproduction?
a)
mitosis
b)
meiosis
c)
mutation
d)
fission
14.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
15.
Which of the following represents chromosome # during fertilization?
a)
n+n=2n
b)
n=n
c)
2n=n+n
d)
2n=2n
16.
If an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
17.
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
18.
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
19.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
20.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
21.
Identify the process.
a)
Mitosis
b)
Meiosis I
c)
Meiosis II
d)
Interphase
22.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
23.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
24.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
25.
Is the following cell diploid or haploid?
a)
Diploid
b)
Haploid
26.
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
27.
Identify the phase.
a)
Telophase I
b)
Telophase II
c)
Metaphase I
d)
Metaphase II
28.
Is this karyotype for a male or female?
a)
MALE
b)
FEMALE
29.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
30.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
31.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
32.
What phase is shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
33.
In humans, sperm cell have ___________ chromosomes and are ___________________, while skin cells have _____________ chromosomes are are diploid.
a)
23. haploid. 46 diploid
b)
46. haploid. 23. diploid
c)
23 diploid. 46 haploid
d)
46. diploid. 23. haploid.
34.
You get one homologous chromosome from your ________ and one from your _______.
a)
dad, mom
b)
brother, sister
c)
grandmother, grandfather
d)
dog, cat
35.
Which statement reflects a way in which asexual reproduction is beneficial? Select all that apply.
a)
It results in genetic variation.
b)
It requires a lot of time and energy.
c)
Organisms can reproduce without a mate.
d)
It is a much quicker process.
100 %
