∞ generated and posted on 2016.08.27 ∞
Diploid product of gamete fusion.
See also fertilization, syngamy, sexual reproduction, and alternation of generations.
Figure legend: Zygote of the alga Volvox. Note its thick wall, which befits the role of these zygotes as a durable stage for these green algae such as for over wintering. Shown is a stained, fixed tissue sample that has been magnified well over 1000-fold.