Half of that comes from the egg, while the other half comes from the sperm. "The zygote is a single cell and contains the genetic blueprint to direct the next complex steps to become the embryo ...

The fusion of sperm and egg gametes during human fertilization establishes a diploid zygote and initiates a series of cell divisions that result in a multicellular embryo. The blastocyst stage is ...

In Caenorhabditis elegans, size asymmetry and segregation of cell-fate determinants during the first division of the zygote is mediated by the PAR proteins. In the Drosophila central nervous ...

And in that moment we were born, though we were just one cell, the zygote. Once conceived, we cannot change our parents or our new life. What is the zygote? It is just one cell of existence ...