1 Insertion â when a base is added to the sequence. 2  Deletion â when a base is deleted from the sequence.  Copy number variation (CNV) is a type of mutation where large chunks of DNA are inserted, repeated or lost. These regions of DNA can be between 10,000 and 5,000,000 bases long.
Wind deposition can result in dunes and loess deposits.
Transcript of 5 landforms created by deposition:) Beaches:) a beach is where sand is deposited by wave movement. This is formed by the deposition of sand and gravel. the sand is under the water. When the tides are low, you have a sandy beach. Glaciers:) When glaciers move, they pick up rocks and many different things on the ground.