Assertion: centromere | /r/CapableOf | have existed in this location
Facets:
value: for the past 3–4 million years
type: TEMPORAL
Source sentences:
text: In contrast to the centromere 5 CENH3 regions, which contain no (“R”) or only very recent CRM insertions (left half of “L”), centromere 2 contains a continuous record of CRM element insertions at its present location (Figure 2C), and therefore appears to have existed in this location for the past 3–4 million years.