Watson-Crick model

[ wot-suh n-krik ]
/ ˈwɒt sənˈkrɪk /

noun Biochemistry.

a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.

Origin of Watson-Crick model

1955–60; named after J. D. Watson and F. H. C. Crick

Medical definitions for watson-crick model

Watson-Crick model

n.

A three-dimensional model of the DNA molecule, consisting of two polynucleotide strands wound in the form of a double helix and joined in a ladderlike fashion by hydrogen bonds between the purine and pyrimidine bases.