The germinal period ends approximately two weeks after conception. <span> This </span>stage<span> occurs during the first 2 weeks of development (or the 2nd - 4th weeks of pregnancy). The union of the sperm and egg cell forms a single cell called a zygote. </span>
The germinal period, during Pre Natal development, has a duration of 14 days. This process starts with conception and ends with the implantation, fertilisation period. The main process that allow all changes is cell division.
It would be Meiosis, since diploid cells gets cut which turns into haploid cells. Even though sperm and egg production is differ. They still follow the same process. -maclittleseed