Match the following vocabulary words. Match the items in the left column to the items in the right column.
to unite a male reproductive cell with a female reproductive cell
a new cell formed from two cells at fertilization
a special, muscular organ inside a mother that protects an unborn baby
the start of a new life at the moment of fertilization
strings of DNA in cell nuclei
the genetic material that determines the nature of life forms
the code for a particular characteristic of a living organism