Assertion: mouse's gene | /r/CapableOf | involve altering a mouse gene
Facets:
value: in its natural location
type: LOCATION
Source sentences:
text: Even more powerful approaches, dependent on homologous recombination, have permitted the development of tools to "knock out" genes, which involves replacing existing genes with altered versions; or to "knock in" genes, which involves altering a mouse gene in its natural location.