• A position effect inOenothera

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    • Abstract

       

      In an X-ray induced interchange ofOenothera blandina, the capacity of the genePs for pigmenting the flower buds is reduced. One of the chromosome breaks is in arm 3 of chromosome 3.4, close to the locus ofPs. When the translocatedPs gene is transferred to normalblandina by crossing-over it reçovers its normal activity. This is the first experimental demonstration of a position effect in plants.

    • Author Affiliations

       

      D. G. Catcheside1

      1. Botany School, Cambridge
    • Dates

       
  • Journal of Genetics | News

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