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Cloned genes - (Sep/16/2005 )

Basic question:
When reading papers I often come across the phrase," This gene has not been cloned." What does this mean exactly?

-eevgx6-

cloning usually means that the RNA has been reverse transcribed and the cDNA sequence of the gene in question has been integrated into a plasmid -- this allows investigators to sequence the gene, determine intron/exon structure, make probes etc....

-beccaf22-