ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Laboratory baby. Conceptual computer artwork of a human baby inside a glass laboratory flask, representing human cloning, or a test tube or designer baby. Human cloning can, in theory, generate a person whose genetic material, or DNA (deoxyribonucleic acid), is identical to that of another person, by replacing the DNA present in a human egg with DNA of the person to be cloned. A test tube baby is created by the fertilization of a mother's egg with the father's sperm in the laboratory, a process known as in vitro fertilization (IVF). A designer baby is one whose genetic composition has been chosen, to any extent, by its parents.
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