What is a mutation?
LS3.2 EOC Pre-Assessment

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mutation is a change in the DNA sequence.
2.
FLASHCARD QUESTION
Front
What are the types of mutations that can cause a frameshift?
Back
Insertions and Deletions.
3.
FLASHCARD QUESTION
Front
Why are frameshift mutations particularly harmful?
Back
They change all of the codons from the mutation on down the line, which changes the amino acid sequence.
4.
FLASHCARD QUESTION
Front
What type of mutation is represented by the change from ATTTGAGCC to ATTGAGCC?
Back
Deletion - Frameshift.
5.
FLASHCARD QUESTION
Front
What type of mutation occurs when T-G-A-C-C-A changes to T-G-A-G-C-A?
Back
Substitution.
6.
FLASHCARD QUESTION
Front
What is the effect of a substitution mutation?
Back
It replaces one nucleotide with another, potentially changing one amino acid in a protein.
7.
FLASHCARD QUESTION
Front
What is the difference between insertion and deletion mutations?
Back
Insertion adds one or more nucleotides, while deletion removes one or more nucleotides.
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