DEVELOPMENT OF LIFE

GAMETOGENESIS

• Formation of gamete or sperm and egg

Fertilization

• sperm penetrates an egg then fusion of their nucleus takes place. Dito pinopoke ni sperm si egg UwU

• Union of sperm and egg

CLEAVAGE

• THIRd STAGE fertilized egg undergoes series of mitotic cell divisions and later becomes the early embryo

Gastrulation

• Organize cell migration patterns in the embryo to form two or more primary germ layers (region layers of cell)

Organogenesis

• process of cell differentiation and formation of all major organs once the germ layers have formed

Growth and tissue specialization

•  last stage when the organs acquire their unique structures and chemical properties