Question

An abnormal gene is replaced by normal gene. It is

Answer 1

An abnormal gene could be swapped for a normal gene through homologous recombination. The abnormal gene could be repairedthrough selective reverse mutation, which returns the gene to its normalfunction. The regulation (act of turning the gene on or off) of a particular genecould be altered.

Answer 2

Answer:

An abnormal gene is replaced by normal gene. It is known as gene therapy.

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