Reproductive cloning

Topic Selected: Cloning and Stem Cells

General Article icon Type: General Article

Human reproductive cloning is the creation of an individual who has identical nuclear genetic material (DNA) to an existing human being, and who is allowed to develop to term and beyond.  Human reproductive cloning is widely regarded as unethical and inappropriate and is specifically prohibited in many jurisdictions. 
An initiative at the United Nations General Assembly led to the United Nations Declaration on Human Cloning, which calls on all states to prohibit all forms of human cloning.

Basic scientific concepts

A gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome. Chromosomes consist of long coiled chains of genes and are found within all nucleated cells in the human body.  Human beings normally have 23 pairs of chromosomes; one of each pair is inherited from the genetic mother and one from the genetic father.
In sexual reproduction, a child receives half of their genes from the

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