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प्रश्न
Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if Mutation in the gene that codes for an enzyme phenylalanine hydroxylase occurs.
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उत्तर
Phenylketonuria is the disease caused due to the mutation in a gene that codes for an enzyme phenylalanine hydroxylase.
symptoms:
seizures
stunted growth
skin rashes
small head size
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(ii) there is an extra copy of chromosome 21,
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