Shown in the figure are genes for Asthma, Atopic dermatitis, Breast cancer and ADA present on different human chromosomes. Which among these genes if not functional or mutated can be treated by gene therapy more easily when compared to other genes?
A
Asthma
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B
Atopic dermatitis
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C
Breast cancer
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D
Adenosine deaminase deficiency
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Solution
The correct options are C Breast cancer D Adenosine deaminase deficiency Gene therapy attempts to treat genetic diseases at the molecular level by correcting what is wrong with defective genes. In case of ADA gene and BRCA1 and BRCA2 genes for breast cancer they are present on either one or two chromosomes so they can be more easily analyzed and treated by gene therapy.