Complex sentence: Adenosine monophosphate deaminase deficiency type 1, also called myoadenylate deaminase deficiency (MADD), is a recessive genetic metabolic disorder that affects approximately 1--2% of populations of European descent.
Split into simpler sentences: Adenosine monophosphate deaminase deficiency type 1 is also called myoadenylate deaminase deficiency (MADD). It a recessive genetic metabolic disorder that affects approximately 1--2% of populations of European descent.