Assertion: gene | /r/HasProperty | essential
Facets:
value: for development
type: PURPOSE
Source sentences:
text: This is different from having the gene absent starting from conception, whereby inactivation or loss of genes that are essential for the development of the organism may interfere with the normal function of cells and prevent the production of viable offspring.
text: These changes occur in genes that are essential for development, and often disrupt the development of an embryo in its earliest stages.