Biology for IGCSE & O level - Inheritance (Section 9 - No. 9)
Which of the following processes can lead to mutations? (Select all that apply)
DNA replication errors
Exposure to radiation
Exposure to certain chemicals
Crossing over
Forklaring
DNA replication errors, radiation, and chemicals can all cause mutations. Crossing over is a normal process and does not usually cause mutations, but can sometimes if there is an error.