Q - Z
/ q Denotes the longer of the two chromosome arms, e.g. human 10q is the long arm of human chromosome 10.
q-beta replicase A viral RNA polymerase secreted by a bacteriophage that infects E. coli. It has the property of...
http://www.fao.org/DOCREP/004/Y2775E/y2775e0a.htm