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Chromosomal and Gene Mutations

Total questions: 25

Worksheet time: 15mins

Name
Class
Date
1.
Identify the mutation in the picture.
a)
Inversion
b)
Deletion
c)
Duplication
d)
Translocation
2.
Identify the mutation in the picture.
a)
Inversion
b)
Duplication
c)
Deletion
d)
Translocation
3.
Identify the mutation in the picture.
a)
Deletion
b)
Inversion
c)
Duplication
d)
Translocation
4.
When can a mutation be passed on to offspring?
a)
only when the mutation is present during or occurs during mitosis
b)
only when the mutation is present during or occurs during meiosis
c)
when the mutation occurs during mitosis or meiosis
d)
when the mutation occurs in somatic cells
5.
What type of chromosomal mutation has occurred?
a)
substitution
b)
insertion
c)
deletion
d)
nondisjunction
6.
What process occurs during meiosis that can result in chromosomal disorders?
a)
crossing over
b)
non-disjunction
c)
anaphase I
d)
prophase II
7.
A chromosome is found to be shorter than it's homologous match.  Which type of mutation would this most likely be?
a)
insertion
b)
deletion
c)
translocation
d)
inversion
8.
An example of a mutation where a piece of chromosome breaks off and attaches to another chromosome is called ___.
a)
trisomy
b)
translocation
c)
inversion
d)
deletion
9.

Notice the abnormal 23rd chromosome. This individual has an extra X chromosome. What type of mutation is this?

a)

Translocation

b)

Nondisjunction

c)

Dublication

d)

Inversion

e)

Deletion

10.

Deletion

a)

When a segment of a chromosome breaks off.

b)

When a segment of a chromosome breaks off, flips, and reattaches.

c)

When a segment of a chromosome is copied or doubles.

d)

When a segment of a chromosome breaks and attaches to a non homologous chromosome.

e)

When entire chromosomes don't separate evenly during meiosis.

11.

Inversion

a)

When a segment of a chromosome breaks off.

b)

When a segment of a chromosome breaks off, flips, and reattaches.

c)

When a segment of a chromosome is copied or doubles.

d)

When a segment of a chromosome breaks and attaches to a non homologous chromosome.

e)

When entire chromosomes don't separate evenly during meiosis.

12.

Duplication

a)

When a segment of a chromosome breaks off.

b)

When a segment of a chromosome breaks off, flips, and reattaches.

c)

When a segment of a chromosome is copied or doubles.

d)

When a segment of a chromosome breaks and attaches to a non homologous chromosome.

e)

When entire chromosomes don't separate evenly during meiosis.

13.

Translocation

a)

When a segment of a chromosome breaks off.

b)

When a segment of a chromosome breaks off, flips, and reattaches.

c)

When a segment of a chromosome is copied or doubles.

d)

When a segment of a chromosome breaks and attaches to a non homologous chromosome.

e)

When entire chromosomes don't separate evenly during meiosis.

14.

Nondisjunction

a)

When a segment of a chromosome breaks off.

b)

When a segment of a chromosome breaks off, flips, and reattaches.

c)

When a segment of a chromosome is copied or doubles.

d)

When a segment of a chromosome breaks and attaches to a non homologous chromosome.

e)

When entire chromosomes don't separate evenly during meiosis.

15.

Deletion

a)

A

b)

B

c)

C

d)

D

16.

Translocation

a)

A

b)

B

c)

C

d)

D

17.

Duplication

a)

A

b)

B

c)

C

d)

D

18.

Inversion

a)

A

b)

B

c)

C

d)

D

19.

Duplication

a)

A

b)

B

c)

C

d)

D

e)

E

20.

Inversion

a)

A

b)

B

c)

C

d)

D

e)

E

21.

Translocation

a)

A

b)

B

c)

C

d)

D

e)

E

22.

Deletion

a)

A

b)

B

c)

C

d)

D

23.

Duplication

a)

A

b)

B

c)

C

d)

D

24.

Inversion

a)

A

b)

B

c)

C

d)

D

25.

Translocation

a)

A

b)

B

c)

C

d)

D

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