WorksheetsDNA Mutations Review
Total questions: 16
Worksheet time: 9mins
Name
Class
Date
1.
What is the basic shape of DNA?
a)
Single stranded
b)
Double helix
c)
triple stranded
2.
A ______ is a section of DNA that codes for a trait.
a)
gene
b)
genotype
c)
phenotype
d)
gender
3.
Examples of environmental factors for mutations are
a)
harmful chemicals
b)
exposure to x-rays
c)
radiation
d)
mistakes during replication
4.
Mutations cause changes in _____.
a)
elements
b)
essential nutrients
c)
proteins
d)
fats
5.
Mutations are always harmful.
a)
True
b)
False
6.
Most genes contain code to make
a)
cookies
b)
mutations
c)
adaptations
d)
protein
7.
What pairs with Adenine (A)?
a)
Guanine (G)
b)
Cytosine (C)
c)
Adenine (A)
d)
Thymine (T)
8.
What pairs with Guanine (G)?
a)
Adenine (A)
b)
Thymine (T)
c)
Cytosine (C)
d)
Guanine (G)
9.
Any change in the sequence of DNA is...
a)
transgenic shift
b)
Single Genotype
c)
Monohybrid Trait
d)
Mutation
10.
3 nucleotide bases form code to make _________________.
a)
proteins
b)
DNA
c)
mutations
d)
amino acids
11.
Amino acids form a chain to make ______________.
a)
ladders
b)
nucleotides
c)
protiens
d)
steak
12.
Some mutations cause no apparent change to an organism.
a)
True
b)
False
13.
Some mutations are beneficial for the organism.
a)
True
b)
False
14.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
15.
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift
16.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
100 %
