Assertion: gametophyte's nucleus | /r/CapableOf | migrate to microspore wall
Facets:
value: before the asymmetric cell division
type: TEMPORAL
value: during microspore development
type: TEMPORAL
Source sentences:
text: During microspore development, the nucleus migrates to the microspore wall before the asymmetric cell division, producing a highly polarized cell (Figure 4d, arrow showing nucleus).