Question

what is a mutation?

• when paired chromosomes exchange genetic information
• an error that occurs when dna is copied
• the phase of the cell cycle where a cell actively divides into two identical cells
• the process of creating specialized cells for the purpose of reproduction

Explanation:

A mutation is defined as an error that occurs during DNA replication. When paired chromosomes exchange genetic information, it is called crossing - over. The phase of the cell cycle where a cell actively divides into two identical cells is mitosis. The process of creating specialized cells for reproduction is meiosis.

Answer:

An error that occurs when DNA is copied.