Which among the following is true about genetic diseases?

Genetic diseases are caused due to bacterial infection

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Genetic diseases can spread through air or water

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Genetic diseases are caused due to action of virus

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None of the above

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Solution

The correct option is D None of the above
Genetic diseseses are inheritable and they are caused due to DNA abnormility. Abnormalities can be as small as a single-base mutation in just one gene, or they can involve the addition or subtraction of entire chromosomes.
So, the correct option is 'None of the above'.

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