2. There are several types of genetic mutations. List two. What do they have in common?
How are they different? Give an example of each.
3. A geneticist found that a particular mutation had no effect on the protein coded by a gene.
What do you think is the most likely type of mutation in this gene? Why?
4. Name one amino acid that has more than one codon. Name an amino acid that has only
one codon
5. Look at the following sequence: THE FAT CAT ATE THE RAT. Delete the first H and
regroup the letters in
groups of three- write out the new groups of three. Does the
sentence
still make sense? What
type of mutation is this an example of?
u have a DNA sequence that codes for a protein and is 105 nucleotides long. A frameshift mutation
urs at the 85th base-
how many amino acids will be correct in this protein?
6. Given the following three mRNA sequences, 2 code for the same protein. Which two?
#1. AGU UUA GCA ACG AGA UCA
#2 UCG CUA GCG ACC AGU UCA
#3 AGC CUC GCC ACU CGU AGU

Mutations can be classified into three common types: substitution, insertion, and deletion, where insertions and deletions have more significant effects than substitutions.

Explanation:

Types of Mutations:

Common types of mutations include:

Substitution: A different nucleotide is substituted.
Insertion: The addition of a new nucleotide.
Deletion: The loss of a nucleotide.

Insertions and deletions are usually more harmful than substitutions because they result in a frame-shift, altering the entire amino acid sequence following the mutation.

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