WorksheetsMeiosis
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
2.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
3.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
4.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
5.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
6.
Is the following cell diploid or haploid?
a)
Diploid
b)
Haploid
7.
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
8.
Identify the phase.
a)
Telophase I
b)
Telophase II
c)
Metaphase I
d)
Metaphase II
9.
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
10.
Mitosis makes sure that all daughter cells are _____.
a)
genetically identical, diploid
b)
genetically identical, haploid
c)
genetically diverse, diploid
d)
genetically diverse, haploid
11.
What type of cells does meiosis produce?
a)
2 Genetically identical cells
b)
2 Genetically different cells
c)
4 genetically identical cells
d)
4 genetically different cells
12.
A human being has a somatic cell that has 46 chromosomes. What is the haploid number found in a gamete?
a)
23
b)
46
c)
69
d)
92
13.
When homologous chromosomes pair 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)
14.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
15.
An abnormal mass of cancer cells is called a
a)
tumor
b)
cyst
c)
lesion
d)
polyp
16.
Any substance that is known to cause cancer is called a
a)
carcinogen
b)
nicolyte
c)
pathogen
d)
retrovirus
17.
What is called when a tumor proves to be NON cancerous?
a)
Malignant
b)
Benign
c)
Oncogene
d)
Byogene
18.
What are other names for Down Syndrome?
a)
Frisomy 23
b)
Trisomy 21
c)
Trisomey 23
d)
Treesomeyy 18
19.
What chromosome does this disease come from
a)
13
b)
20
c)
17
d)
21
20.
Can someone with Down Syndrome have children?
a)
yes
b)
no
100 %
