What is DNA?
DNA and Mutations flashcard

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Biology
•
9th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life. It is composed of two strands that coil around each other to form a double helix.
2.
FLASHCARD QUESTION
Front
What is a mutation?
Back
A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.
3.
FLASHCARD QUESTION
Front
What are the types of mutations?
Back
The main types of mutations are substitution, insertion, deletion, and translocation.
4.
FLASHCARD QUESTION
Front
What is a substitution mutation?
Back
A substitution mutation occurs when one base pair in the DNA sequence is replaced by another, potentially altering the resulting protein.
5.
FLASHCARD QUESTION
Front
What is an insertion mutation?
Back
An insertion mutation involves the addition of one or more nucleotide base pairs into a DNA sequence, which can disrupt the reading frame.
6.
FLASHCARD QUESTION
Front
What is a deletion mutation?
Back
A deletion mutation occurs when one or more nucleotide base pairs are removed from a DNA sequence, which can also disrupt the reading frame.
7.
FLASHCARD QUESTION
Front
What is translocation in genetics?
Back
Translocation is a mutation where a segment of DNA is moved from one location to another, which can affect gene expression.
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