A new life begins when a mature egg from a woman is fertilized by a sperm from a man. The egg and sperm each contain a single copy of each gene in the human genome—half the amount necessary for life. Together, the two unite to form a complete set of genes containing all the DNA necessary to make a new human being.


Animation produced by Visible Productions Inc.


Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.