Download DNA Quiz Review { genes , DNA , nucleus , chromosomes , cell }

Name KEY
Block _____
DNA Quiz Review
Matching: Match the scientists with what they discovered
B
1) Watson and Crick
A)
First person to state that the number of
A=T and G=C in a DNA molecule
C
2) Rosalind Franklin
B)
Responsible for constructing the first
model of DNA
A
3) Erwin Chargaff
C)
Used X-rays to capture first images of
DNA.
4) The true shape of DNA is called a double helix.
5) Place the following terms from largest to smallest?
{ genes , DNA , nucleus , chromosomes , cell }
genes  chromosomes  DNA  nucleus  cell
B
6) The picture to the right makes up a:
a) nitrogen base
b) nucleotide
c) ribosome
d) full DNA molecule
7)
“X” represents a gene which is a segment of DNA
that codes for a trait
X
Write the complimentary strand of DNA
8)
Strand 1:
A T C G T A G G C
9) Strand 1: T T G G C G T A
Strand 2:
T A G C A T C C G
Strand 2: A A C C G C A T
10) Define Mutagen:
A mutagen is anything that can cause a mutation or a change in an
organism’s DNA.
11) Give an example of a mutagen?
Examples of mutagens include x – rays, UV light,
asbestos, chemicals in cigarette smoke.
12) Identify the type of mutation and circle where the mutation took place
Original Strand-
A A T C T C A T C
Original Strand-
C C C C T A T C
Mutated Strand-
A A T T C A T C
Mutated Strand- C C G C T A T C
Type of Mutation Deletion
Type of Mutation Substitution
Original Strand-
G G T C A T C T A
Original Strand-
Mutated Strand-
G G T C A T C A A
Mutated Strand- T T A T C T C C T
T T A T C T C T
Type of Mutation Substitution
Type of Mutation Insertion
Original Strand-
T T C T A C T G G
Original Strand-
Mutated Strand-
T C T A C T G G
Mutated Strand- G A T A C A T C
Type of Mutation Deletion
13)
Type of Mutation Substitution
What was the name of the disorder that produces the
mutation shown to the right?
The name of the disorder that produces this kind
of mutation is sickle–cell anemia.
14)
What are some of the symptoms with this mutation?
These misshapen red blood cells cannot hold enough
oxygen and increase the chance of blood clots.
15)
Are there any other questions you have regarding DNA?
Nope, I know everything! 
C A T A G A T C