Which dunes are formed under varying wind directions, but are dominantly parallel to the average direction?

Many different types of sand dunes exist, all of which are formed due to varying directions of the winds. Some predominant types of sand dunes are barchan dunes, linear dunes, transverse dunes, parabolic dunes and star dunes.
The sand dunes that are formed under winds coming from different directions but take the direction of the prevailing wind are known as transverse dunes.

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.