The cloning technique is called somatic cell nuclear transfer, the process used to create "Dolly" the sheep. Her DNA was taken from a single cell from her mother's egg, which is fused with a mammary cell. The fused cell soon develops into an embryo. ... The goal is to create an embryo, which contains special kind of undifferentiated cells called embryonic stem cells. They're so named because specialized cells such as heart, liver or brain cells stem from these undifferentiated cells. ...

• Word Count: 1800
• Approx Pages: 7
• Grade Level: High School