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By: Erica Wynn
Cloning is genetically making a copy of an organism either naturally or asexually. Cloning can occur either through reproductive, therapeutic, and by using a gene. Cloning results in the offspring being genetically identical to the parent.
Asexual reproduction occurs between embryos that develop from the same fertilized egg. This results in them being identical.
Reproductive cloning occurs when a somatic cell, cells from organs, skin, bones, etc. are taken from the organism that is being cloned. The DNA from the donor is then removed and division occurs and forms an embryo. The embryo is then transferred to the uterus of a surrogate female.
Gene cloning is the most common type of cloning in molecular biology. It's when DNA is extracted and then inserted into a carrier cell. This process allows form making of a large number of copies of a specific gene in a short amount of time.
Therapeutic cloning is an asexual reproduction that involves the removal of the nucleus of an egg cell. Once the nucleus is removed, it is then replaced with the material from a somatic cell from either the skin, bones, blood, etc. The stem cells that are then formed can then be used as a perfect genetic match for the patient. This ensures that the patient's body will accept the cells after transplantation.