Flow cytometry analyses were used to verify the ploidy stability of Quercus suber L. somatic embryogenesis process. Leaf explants of two adult cork oak trees (QsG0 and QsG5) of the North of Portugal ...

In the very first days of an embryo's existence, some genes get activated. Once they have accomplished their task, they are shut down forever, unlike most of our genes, which remain active throughout ...

PREVIOUS work on tissue cultures of the wild carrot has shown that the embryogenesis which occurs in such cultures is not fundamentally different from the same process in the ovule 1,2. It has also ...

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 ...