An organism combines the genetic information from each of its parents and is genetically unique.

Male gamete or sex cell of an animal.

Female gamete of sex cell

The process in sexual reproduction is in which an egg cell and a sperm cell join to form a new cell.

The kind of reproduction in which it is not necessary to have two parents to produce offspring.

The process of becoming pregnant, involving fertilization and implantation of the embryo in the uterus

A fertilized eukaryotic cell that forms after the union of male and female gametes.

Early stage of development of a multicellular organism.

An unborn offspring of a mammal, in particular an unborn human baby more than eight weeks after conception.