Name: ________________________________________________ Date: ___________ Per: _______ Assign# ______
Mutations
Unit 5 – Chapter 12-4
1) What are mutations?
a. Gene mutations result from changes in:
b. Chromosomal mutations involve changes in:
2) List the two types gene mutations that can occur and what they do:
a. ______________________:
b. ______________________:
3) What are Chromosomal Mutations:
4) List and Explain the four types of Chromosomal Mutations:
a. _______________________:
b. _______________________:
c. _______________________:
d. _______________________:
5) Point Mutations:
i. Example: Fill in the missing bases.
ii. Circle the substitution in the Mutated DNA below:
Name: __________________________________________________ Date: ___________ Per: _______ Assign# ______
Mutations
Unit 4 – Chapter 12-4
1) What are mutations?
a. Gene mutations result from changes in:
b. Chromosomal mutations involve changes in:
2) List the two types gene mutations that can occur and what they do:
a. ______________________:
b. ______________________:
3) What are Chromosomal Mutations:
4) List and Explain the four types of Chromosomal Mutations:
a. _______________________:
b. _______________________:
c. _______________________:
d. _______________________:
5) Point Mutations:
i. Example: Fill in the missing bases.
ii. Circle the substitution in the Mutated DNA below:
6) Frameshift Mutations: there are two kinds of frameshift mutations
Insertions:
i. Example: Fill in the missing bases.
ii. What letter was inserted that should not be there? ____
Deletions:
iii. Example: Fill in the missing bases.
iv. What letter was deleted that should be there: ____
7) Do point mutations or frameshift mutations harm the DNA code more?_________ Why?
Practice:
8) What kind of mutation has occurred in this DNA strand:___________________
a. Circle the Mutated DNA that does not match the original DNA.
b. What kind of mutation has occurred? ______________________
c. How can you tell?
9) Use the DNA Strand below to answer part a-c of #9.
a. Circle the Mutated DNA that does not match the original DNA.
b. What kind of mutation has occurred? ______________________
c. How can you tell?
6) Frameshift Mutations: there are two kinds of frameshift mutations
Insertions:
i. Example: Fill in the missing bases.
ii. What letter was inserted that should not be there? ____
Deletions:
iii. Example: Fill in the missing bases.
iv. What letter was deleted that should be there: ____
7) Do point mutations or frameshift mutations harm the DNA code more?_________ Why?
Practice:
8) What kind of mutation has occurred in this DNA strand:___________________
a. Circle the Mutated DNA that does not match the original DNA.
b. What kind of mutation has occurred? ______________________
c. How can you tell?
9) Use the DNA Strand below to answer part a-c of #9.
a. Circle the Mutated DNA that does not match the original DNA.
b. What kind of mutation has occurred? ______________________
c. How can you tell?