The process of embryogenesis begins with an egg or ovum being fertilized by a sperm cell to form a zygote. The zygote is a single diploid cell, which will ultimately multiply through mitotic division ...

This is a preview. Log in through your library . Abstract The early developmental sequences in the formation of the Zone of Separation and Secretion in a hexaploid species of Solanum nigrum L. are ...

The process of embryogenesis begins when an egg or ovum is fertilized by a sperm cell to form a zygote. This zygote then undergoes mitotic division, a process that does not result in any significant ...

In the first week after conception, your pregnancy begins with a tiny cluster of cells. Your body starts making important changes, like adjusting hormone levels and preparing the uterus to support ...