Genetical Research

Research Article

A study on simultaneous conversions in linked genes in Ascobolus immersus

Andrzej Paszewskia1

a1 Department of General Genetics, Polish Academy of Sciences, al. Ujazdowskie 4, Warsaw, Poland

White-spored mutants of A. immersus were used in experiments carried out to study the relationship between conversions occurring simultaneously in linked genes, and to check whether conversion occurs at random in the two chromatids of a chromosome.

Conversions in two loosely linked loci were shown to be independent of each other and randomly distributed between sister chromatids. On the other hand, conversions in two closely linked loci showed a high correlation of occurrence.

(Received August 04 1966)

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