Genetic Analysis of Radiation-sensitive Mutations in the Slime Mould Free

Abstract

SUMMARY: The linkage of two mutations leading to increased sensitivity to ultraviolet light and Co gamma rays was determined in the slime mould using a genetic analysis based on the parasexual cycle. Diploids were selected from a mixture of radiation-sensitive, temperature-resistant and radiation-resistant, temperature-sensitive haploids on the basis of simultaneous radiation and temperature resistance. Analysis of drug-resistant haploid segregants of the heterozygous diploids indicated that one of the radiation-sensitive mutations, , was linked to linkage group 1 whereas the other, , was linked to the recently defined linkage group VI.

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1976-11-01
2024-03-28
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