1) Influenza is capable of genetic reassortment in which genetic
components from two influenza strains reassort between themselves.
Which animal strains of influenza prove especially virulent when
reassorted with human strains?
A. dogs and cats
B. ducks and swine
C. cows and sheep
D. goats and horses
2) The segmented genome of influenza was initially thought to be
packaged at random into new virions. New evidence shows
A. packaging is at random.
B. the segments are replicated in order and are packaged
C. the eight segments link together before packaging.
D. capsid proteins preferentially target segments of different
lengths during packaging.