Unit 6 Mutations

Front

What is a mutation?

Back

Any change in the sequence of DNA.

Front

What type of mutation is characterized by the addition of one or more nucleotide bases?

Back

Insertion mutation.

Front

What type of mutation results in the loss of one or more nucleotide bases?

Back

Deletion mutation.

Front

What is a point mutation?

Back

A mutation that affects a single nucleotide in the DNA sequence.

Front

What is a frameshift mutation?

Back

A mutation that affects every codon beyond the point of mutation due to insertion or deletion.

Front

What can cause a frameshift mutation?

Back

An error during DNA replication.

Front

What is a spontaneous mutation?

Back

A mutation that occurs naturally without external influence.

Front

What is a base pair substitution?

Back

A mutation where one base pair is replaced by another.

Front

How can mutations affect genes?

Back

Mutations can alter the function of genes, potentially leading to changes in traits.

Front

What is the difference between transcription and translation errors?

Back

Transcription errors occur during the synthesis of RNA from DNA, while translation errors occur during protein synthesis from RNA.