Nthe process of fertilization, the and unite, resulting in a single cell.

In the process of fertilization, the sperm and sperm unite, resulting in a single cell. Fertilization occurs when the sperm and ovum unite.

To add, the result of this union is the production of a zygote cell, or fertilized egg, initiating prenatal development. 

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

yes it is weird but true