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Beginning of life
Terms in this set (11)
The process that brings male and female cells together.
The union of sperm and an ovum
A cell produced when a sperm fertilizes an ovum.
The division of a fertilized egg into many cells
A solid ball of cells formed from a fertilized egg
A hollow ball of cells formed from a fertilized egg
The attachment of a developing egg to the lining of the uterus
Fertilization followed by implantation
An unborn child in the first eight weeks of development
an unborn child from the ninth week of development to birth
The specialization of cells as the body develops.