Mutations Review

Front

What are the three types of gene mutation?

Back

Insertion, Deletion, Substitution

Front

Are all mutations bad?

Back

No

Front

What type of mutation alters the DNA sequence by removing a segment?

Back

Deletion

Front

What type of mutation occurs when one base is replaced by another?

Back

Substitution

Front

What is the term for a mutation that adds one or more bases to a DNA sequence?

Back

Insertion

Front

What is a mutation?

Back

A change in the DNA sequence of an organism.

Front

What is a point mutation?

Back

A mutation that affects a single nucleotide.

Front

What is a frameshift mutation?

Back

A mutation that shifts the reading frame of the genetic message.

Front

What is the difference between a silent mutation and a missense mutation?

Back

A silent mutation does not change the amino acid sequence, while a missense mutation changes one amino acid.

Front

What is a nonsense mutation?

Back

A mutation that creates a premature stop codon in the protein sequence.