A) gene therapy
B) medicines
C) cloning
D) radiation
Correct Answer: A
Solution :
Gene therapy is a technique of treating genetic diseases by the replacement of faulty genes with normal genes. Through recombinant DNA technology it is possible to remove some cells from the diseased person and transforming them into normal cell by removing the recessive or mutated gene from them and inserting the normal gene. Efforts are on for sickle cell anaemia, haemophilia, diabetes, Tay Sachs disease, Leasch -Nyhan syndrome, adenosine deaminase deficiency etc. Cloning is the production of living structures or organisms which are genetically identical to their parents. These identical organisms are called clones.
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