What is the cause of the genetic disease known as Galactosemia?

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What is the cause of the genetic disease known as Galactosemia? Answer: Absence of galactose 1-P uridyl transferase

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.