Assertion: primary lactase deficiency | /r/HasProperty | genetic
Facets:
Source sentences:
text: Primary hypolactasia, or primary lactase deficiency, is genetic, only affects adults, and is caused by the absence of a lactase persistence allele.
text: Primary hypolactasia, or primary lactase deficiency, is genetic, only affects adults, and is caused by the absence of a lactase persistence allele.