Which type of disease causes abnormalities from birth, owing to gene mutation and also leads to colour blindness, Down's syndrome, cleft lip or palate?

Protozoan diseases

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Congenital diseases

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Both A and B

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None of these

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Solution

The correct option is B
Congenital diseases

This disease occurs at birth or even before birth. The incidence is 2-5% in newborn. The percentage of congenital disease related to genetic or chromosome defects was 60-70%. The other 30% of etiology was unknown. It can be categorized into chromosome disorders, congenital anomalies (malformations), inherited metabolic disorders and rare diseases

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