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crossover |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
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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 How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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I started putting together a list of SUVs and crossovers that are scheduled to arrive in the coming years, and I began to get scared. Without them, trains would have to use crossovers at other places along the line, said Charles Stark, the MTA executive officer for construction. Similarly, the crossover vehicle trend center provides shoppers with an explanation of the newest class of vehicles on the road, crossovers, also known as CUVs. |
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