The nature and expression of ethyl methanesulfonate (EMS) , diethyl sulfate (DES) -, X-rays- and UV-induced mutations in Zea mays. (Mechanism of mutation and inducing factors.)

Ficsor, G.

Symposium on the mutational process, Prague, August 9-11 1965. 163-68

1965


Accession: 014757239

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Abstract
Investigations using the a B -Sh/2 region of chromosome 3 showed that ultraviolet light (UV) induces about 2.5 times as many apparent gene mutations as ethyl methanesulphonate (EMS). X rays failed to induce any apparent gene mutations but of the three agents compared they induced the highest frequency of chromosomal aberration. Both EMS and UV induced a relatively higher proportion of fractional and a lower proportion of whole-case chromosomal aberrations than X rays.