Assertion: gametophyte's tissue | /r/LocatedNear | the egg and developing embryo
Facets:
Source sentences:
text: In many animal systems, embryo pattern (e.g., anterior-posterior polarity) is established in part by maternal-effect genes, which are expressed prior to fertilization and/or in the maternal tissue surrounding the egg and developing embryo (36).
text: However, as with animal systems, maternal-effect genes may also be expressed in the maternal tissue surrounding the egg and developing embryo, which, in plants, is the diploid sporophytic tissue of the ovule.