Unit 3 6E DNA Mutations

Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA

• no mutation
• substitution
• insertion
• deletion

DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.

• Substitution
• Deletion
• Insertion
• Inversion

If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?

• Substitution
• Frameshift
• Duplication 
• Insertion

mRNA is read in chunks of three nucleotides , called...

• quadralets
• anticodons
• codons
• capsids

Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?

• deletion
• insertion
• silent
• transverse

A frameshift mutation can occur with either _________ or __________ mutations.

• Insertion, division

• Deletion, substitution
• Insertion, substitution

• Insertion, deletion

What type of chromosomal mutation is this?

• Inversion
• Translocation
• Deletion
• Duplication

What is the definition of DNA mutation? 

• The original DNA strand
• The strand with four pairs 
• A change in the DNA strand
• The strand in a double helix 

Identify the SUBSTITUTION mutation from the following DNA sequence: 
ATG CCA AAT

• ATG TCA AAT
• ATG CCT AAA T
• ATC CA  AT
• ATG CCA AAT

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred? (one has been added)

• deletion

• substitution

• tranverse

• insertion