Reports

Recombination of Nonchromosomal Mutations: A Three-Point Cross in the Green Alga Chlamydomonas reinhardi

Science  08 Nov 1968:
Vol. 162, Issue 3854, pp. 683-684
DOI: 10.1126/science.162.3854.683

Abstract

The heterothallic, unicellular green alga Chlamydomonas reinhardi possesses both chromosomal and nonchromosomal systems of inheritance. Mutations belonging to the latter system are capable of recombination. The experiments reported show that double and triple recombinants can be obtained from crosses employing three phenotypically distinct mutations and that certain pairs of mutants recombine more freely than others.

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