Wikipedia:

bead theory

The bead theory is a disproved hypothesis that genes are arranged on the chromosome like beads on a necklace. According to this theory, the existence of a gene as a unit of inheritance is recognized through its mutant alleles. Seymour Benzer showed in the 1950s that the bead theory was not correct.

References

  • BENZER S (1956). "Genetic fine structure and its relation to the DNA molecule". Brookhaven Symp Biol (8): 3-5.  PMID 13293416



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