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.
Aeolian processes-caused by the wind (remember, the wind is a low density, low viscosity fluid). - 1  a physical weathering process. - 2  stones that have been sculpted by the wind. - 3  the patina of iron and maganese oxides left on rocks after they have undergone long periods of chemical weathering in the desert.: 4  forms when wind removes all of the ... . - a physical weathering process. - 2  stones that have been sculpted by the wind. - 3  the patina of iron and maganese oxides left on rocks after they have undergone long periods of chemical weathering in the desert. : 4  forms when wind removes all of the fine-grained sand from a system, leaving only the coarse gravel behind.