Question

What is gene replacement therapy?

Answer 1

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There are several kinds of hereditary disorders, some of which may be caused due to presence of only one defective gene which is dominant or sometimes by the presence of two defective recessive genes. As shown above genetic disorders cannot be cured by medicines. Scientists are trying to discover methods by which a defective gene occurring in an individual may be removed or replaced by a normal gene. This is called gene replacement therapy.

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Answer 2

This is a therapy for recognising the genes which are fault. This applys a piece of DNA in its correct form through a viral vector. Gene therapy does have risks and limitations. The viruses and other agents used to deliver the good genes.If

If a gene is added to DNA if it could be put in the wrong place, which could potentially cause cancer or other damage. This therapy can prevent some diseases like cancer,heart disease, aids too.