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crossover
(redirected from Crossover (disambiguation))

   Also found in: Dictionary/thesaurus, Financial, Encyclopedia, Wikipedia 0.01 sec.
crossover
[kros′ovər]
Etymology: L, crux + AS, ofer
the result of the recombination of genes on homologous pairs of chromosomes during meiosis. See also crossing over.

crossover
an exchange of material between two homologous chromosomes.

crossover
noun Clinical trials The switching of a Pt from one arm–eg therapeutic or placebo of a clinical trial to another; crossing-over of Pts may be either part of the original study protocol-crossover study or a decision motivated by ethics, as a Pt might be deteriorating in the less effective arm


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