1880, coined 1878 by German cytologist Eduard Strasburger (1844-1912), the widespread attribution to William Bateson being apparently erroneous; from Greek zygotos "yoked," from zygon "yoke" (see jugular).
1. An isolated cell comes close to satisfying the likeness of a zygote.
2. The zygote has a fixed complement of genetic information in its nucleus.
3. The product of fertilization is the zygote.
4. The classical literature of embryology documents these patterns in detail for the zygote.
5. The zygote is best appraised by stating that it is an inherently unstable entity.