Question

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

Explanation:

A mutation is defined as an error in DNA replication. The second option describes cell division (mitosis). The third option refers to crossing - over in meiosis. The fourth option is about gamete formation (specialized reproductive cells).

Answer:

An error that occurs when DNA is copied.