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PBL O, Week 3, Meiosis, Mitosis, & Genetics Review

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.
When a cell is not actively dividing, it is in what phase?
a)
interphase
b)
anaphase
c)
prophase
d)
telophase
2.

When a cell divides, what do we call the new cells that are produced?

a)

mother cells

b)

father cells

c)

daughter cells

d)

son cells

3.

Before a cell can divide, what must happen?

a)

Nothing, it is always ready to divide

b)

The number of chromosomes must halve

c)

The number of chromosomes must double

d)

The number of chromosomes must triple

4.
What is the name of the process in which DNA (genetic information) is exchanged during meiosis?
a)
crossing under
b)
crossing over
c)
melding
d)
blending
5.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
6.
After meiosis is complete, the new cells:
a)
are all identical
b)
are all different
c)
are half identical and half different
d)
are all stretched out
7.

A is:

B is:

C is:

a)

A: chromatid

B: centromere

C: chromosome

b)

A: chromosome

B: chromatid

C: centromere

c)

A: chromosome

B: centromere

C: chromatid

d)

A: centromere

B: chromosome

C: chromatid

8.
The process on the left is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
c)
Left: mitosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
9.

How is the number of chromosomes in a human sex cell different from the number in a human body cell?

a)

A sex cell has 23 chromosomes and a body cell has 46

b)

A sex cell has 46 chromosomes and a body cell has 23

c)

A sex cell has chromosomes that are halved

d)

A sex cell has chromosomes that are twice as long as those in a body cell

10.

What is the sequence of cell division, beginning from interphase?

a)

Interphase --> prophase --> anaphase --> metaphase --> telophase

b)

Interphase --> anaphase --> metaphase --> prophase --> telophase

c)

Interphase --> telophase --> anaphase --> metaphase --> prophase

d)

Interphase --> prophase --> metaphase --> anaphase --> telophase

11.
The inherited combination of alleles is known as the offspring's
a)
heredity
b)
phenotype
c)
genotype
d)
redigree
12.
An organism's appearance is known as its
a)
heredity
b)
phenotype
c)
genotype
d)
pedigree
13.

The color purple (P) is dominant to the color white (p). According to the Punnett Square, what is the probability of an offspring being WHITE?

a)

0%

b)

25%

c)

50%

d)

75%

14.

The color purple (P) is dominant to the color white (p). According to the Punnett Square, what is the probability of an offspring being PURPLE?

a)

0%

b)

25%

c)

50%

d)

75%

15.

Different versions or forms of the same gene are called —

a)

sex cells

b)

chromosomes

c)

alleles

d)

all the above

16.

Humans have how may chromosomes ?

a)

45

b)

46

c)

22

d)

23

17.

Where are chromosomes found in a cell?

a)

in the neutron of the cell

b)

in the nucleus of the cell

c)

in the cell membrane

d)

none of the above

18.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
19.
During which stage of the cell cycle does the cell duplicate its DNA?
a)
M stage
b)
G1 stage
c)
S stage
d)
G2 stage
20.
What phase of mitosis is shown?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
21.
What phase of mitosis is shown below?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
22.
You are given a sample of unknown human cells to examine.  Analysis of their nuclei reveals that each cell contains 23 chromosomes.  What types of cells might these be?
a)
egg cells
b)
skin cells
c)
liver cells
d)
white blood cells
23.

Aneuploidy refers to:

a)

having an abnormal number of chromosomes

b)

having an additional full set of chromosomes

c)

the formation of two sister chromatids during DNA replication

d)

a cell being unable to divide

24.

The picture demonstrates a chromosomal abnormality known as:

a)

translocation

b)

mosaicism

c)

chromosomal rings

d)

Klinefelter’s syndrome

25.

This picture demonstrates an example of:

a)

duplication

b)

inversion

c)

deletion

d)

Robertsonian translocation