$β$ -thalassemia disease becomes manifest at the age of.

Immediately after birth

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2 - 6

years

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4 - 6

months

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Any time after four years

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Solution

The correct option is B $2 - 6$ years
Answer is option B i.e. "2-6 years"
Thalassemia is genetically inherited blood disorder characterized by abnormal hemoglobin production. Beta thalassemia is due to mutations in chromosome 11. Clinical features of the β-thalassemia syndrome develop between the ages of 2 and 6 years.

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β-thalassemia disease becomes manifest at the age of.

$β$ -thalassemia disease becomes manifest at the age of.