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infoWhy this? We study mutations and meiosis because mutations create new genetic variation and meiosis generates genetically different gametes, so together they explain how variation arises and is passed on, underpinning our understanding of inheritance, evolution and many genetic disorders.

scheduleWhy now? We study mutations and meiosis now because, after learning how DNA is copied and used to make proteins, you are ready to understand how changes in DNA and the special type of cell division that forms gametes generate the genetic variation needed for inheritance and evolution topics that follow.