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.
water moves fastest on the outside of the curve, sediment is deposited where the water speed is slowest on the inside of the curve. what are the three features that result from deposition along a river. (1) alluvial fans, (2) deltas, and (3) soil on flood plains.