e/Genetic screen

Information
has gloss	eng: A genetic screen (often shortened to screen) is a procedure or test to identify and select individuals who possess a phenotype of interest. A genetic screen for new genes is often referred to as forward genetics as opposed to reverse genetics, the term for identifying mutant alleles in genes that are already known. Mutant alleles that are not tagged for rapid cloning are mapped and cloned by positional cloning.
lexicalization	eng: genetic screen
instance of	c/Genetics experiments