Assertion: angiosperm's nucleus | /r/HasProperty | polar
Facets:
Source sentences:
text: Most angiosperms have two polar nuclei so the endosperm is triploid (3n).
text: As the pollen tube discharges its contents into the female gametophyte, the egg nucleus is fertilized by one of the sperm cells, and the other unites with the two nuclei (polar nuclei) within the large central cell of the female gametophyte.
text: The two nuclei near the centre are referred to as polar nuclei; the egg cell, or oosphere, is situated near the micropylar (“open”) end of the ovule.
text: Most angiosperms have two polar nuclei so the endosperm is (3n).
text: Most angiosperms have two polar nuclei so the endosperm is triploid (3n).
text: Most angiosperms have two polar nuclei so the endosperm is (3n).
text: The two central cell maternal nuclei (polar nuclei) that contribute to the endosperm, arise by mitosis from the same single meiotic product that gave rise to the egg.
text: The center cell contains the remaining two nuclei (polar nuclei).