What is a mutation in DNA?
Biology Semester 1 Review

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Biology
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.
2.
FLASHCARD QUESTION
Front
What is a silent mutation?
Back
A silent mutation is a type of mutation that does not change the amino acid sequence of a protein.
3.
FLASHCARD QUESTION
Front
What is a substitution mutation?
Back
A substitution mutation occurs when one base in the DNA sequence is replaced by another base.
4.
FLASHCARD QUESTION
Front
What is a deletion mutation?
Back
A deletion mutation occurs when one or more bases are removed from the DNA sequence.
5.
FLASHCARD QUESTION
Front
What is an insertion mutation?
Back
An insertion mutation occurs when one or more bases are added to the DNA sequence.
6.
FLASHCARD QUESTION
Front
What are the phases of mitosis?
Back
The phases of mitosis are prophase, metaphase, anaphase, and telophase.
7.
FLASHCARD QUESTION
Front
What happens during prophase?
Back
During prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down.
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