In some multicellular green algae (Ulva lactuca is one example), red algae and brown algae, sporophytes and gametophytes may be externally indistinguishable (isomorphic). In Ulva the gametes are 查看更多內容

In heterosporic plants, there are two distinct kinds of gametophytes. Because the two gametophytes differ in form and function, they are termed heteromorphic, from hetero- "different" and morph "form". The egg-producing gametophyte is known as a … 查看更多內容

• Roig-Villanova, Irma; Bou, Jordi; Sorin, Céline; Devlin, Paul F.; Martínez-García, Jaime F.«Identification of Primary Target Genes of Phytochrome Signaling. Early Transcriptional Control during Shade Avoidance Responses in Arabidopsis 查看更多內容

In land plants, anisogamy is universal. As in animals, female and male gametes are called, respectively, eggs and sperm. In extant land plants, either the sporophyte or the gametophyte may be reduced (heteromorphic). No extant gametophytes have 查看更多內容

• Sporophyte – Diploid multicellular stage in the life cycle of a plant or alga
• Alternation of generations – Reproductive cycle of plants and algae 查看更多內容