Child suffering from 'gene mutational disorder' leads to death at the age of 4 years after series of opportunities infections. Identify the disorder?
A
AIDS
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B
SCID
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C
IDDM
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D
Tay-sach's disease
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Solution
The correct option is A AIDS
A gene mutation is a permanent alteration in the DNA sequence that makes up the gene, such that the sequence differs from what is found in most people.
Mutation range in size, they can affect anywhere from a single DNA building block to a large segment of a chromosome that includes multiple genes.