derived from WH-6 X WH-14, Urbana, IL, 1950(?)
One of a set of related inbred stocks. Designations provide information about the history and mating type. For example, strain A-17682a has the mating type allele A, is the 17th generation of inbreeding, the last inbreeding cross was made in 1968, and this line is mating type II (2). The lower case letter (a) indicates that more than one line of the particular mating type was kept from the cross, and the letter identifies the line.