WorksheetsMutations - Day 2 - Exit ticket
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
MUTATIONS - CHECK FOR UNDERSTANDING
4 lines
2.
1. Mutations in DNA molecules can occur when...
a)
Replication of DNA is exact
b)
A DNA enzyme attaches to an RNA codon
c)
RNA codons are replaced by DNA nucleotides
d)
A change occurs in DNA nucleotide bases
3.
2. Which of the following would result in a frameshift mutation?
a)
Substitution only
b)
Insertions and Deletions
c)
Deletion only
d)
Insertions only
4.
3. Why are insertion and deletion (frameshift) mutations so harmful?
a)
They insert things that an organism doesn't need.
b)
Insertion and deletions are not any more harmful than substitution mutations.
c)
They often delete things that organisms need.
d)
They change all of the codons from the mutation on down the line, which changes the amino acid sequence
5.
4. Compare the original strand of the DNA to the mutated strand of DNA. What kind of mutation is shown?
Original: AUG CTA GTA CAT
Mutated: AUG TTA GTA CAT
a)
Insertion
b)
Deletion
c)
Substitution
d)
Inversion
6.
Part A
a)
A
b)
B
c)
C
d)
D
7.
Part B which of the following supports the answer for part A
a)
Only mutations in blood cells get passed down to offspring
b)
Only Mutations in the gametes get passed down to offspring
c)
Only mutation in the sperm get passed down to offspring
d)
Only mutation in the egg get passed down to offspring
100 %
