Mosaic Mutants: Absence in a Eucaryotic Organism

Science  15 May 1970:
Vol. 168, Issue 3933, pp. 843-844
DOI: 10.1126/science.168.3933.843


Exposure of procaryotic and eucaryotic cells to mutagenic agents generally gives both complete mutants and mosaic mutants. Irradiation of the eucaryotic multicellular alga Ulva mutabilis with ultraviolet light has given exclusively complete mutants.