BioScience Dictionary

 
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Found Holliday junction 1 time.

Displaying results 1 to 10.

1. Holliday junction
A structure which occurs during homologous recombination between homologous chromosome s. While the two chromosome s are side by side, one strand of DNA on each chromosome is broken and then attached to the broken strand of DNA on the other chromosome. The crossover point, which is called the Holliday junction, is able to slide up and down between the two chromosomes, so that a little or a lot of DNA can ultimately be switched between them.