Answers are grounded in this paper and cite their sources.
Frederick J de Serres, Jr.; STUDIES WITH PURPLE ADENINE MUTANTS IN NEUROSPORA CRASSA. III. REVERSION OF X-RAY-INDUCED MUTANTS, Genetics, Volume 43, Issue 2, 1 M
No takes yet. Share an insight, caveat, or question.
Frederick J. de Serres (1958) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: