activation of recombination (HML)
The activation of recombination at a mating type locus, such that it is used in preference to the other donor locus for mating type switching; exemplified by the HML locus and surrounding sequences on Chromosome III in Saccharomyces cerevisiae.
GO:0007535
donor selection
is_a
GO:0045911
positive regulation of DNA recombination
is_a