Mutations

Front

What is a mutation?

Back

A mutation is defined as a change in the DNA sequence.

Front

What are chromosomal mutations?

Back

Mutations that involve parts of or all of a chromosome.

Front

What is an example of a chromosomal mutation?

Back

Inversion, Translocation, Deletion, and Duplication are examples of chromosomal mutations.

Front

Why are insertion and deletion mutations harmful?

Back

They change all of the codons from the mutation on down the line, which changes the amino acid sequence.

Front

What is a frameshift mutation?

Back

A mutation that shifts the reading frame of the genetic message by inserting or deleting a nucleotide.

Front

What is a deletion mutation?

Back

A type of mutation where one or more nucleotides are removed from the DNA sequence.

Front

What is an insertion mutation?

Back

A type of mutation where one or more nucleotides are added to the DNA sequence.

Front

What is a substitution mutation?

Back

A mutation where one nucleotide is replaced by another in the DNA sequence.

Front

What is the effect of a deletion mutation on protein synthesis?

Back

It can lead to a frameshift, altering the entire amino acid sequence downstream.

Front

What is translocation in terms of chromosomal mutation?

Back

A chromosomal mutation where a segment of DNA is moved from one location to another, either within the same chromosome or to a different chromosome.