Solution:Tay-Sachs disease involves the degeneration of the nervous system, beginning at about 6 months.Phenylketonuria causes mental impairment if left untreated during childhood.
Albinism is characterized by the inability to produce normal amounts of melanin.
Thalassemia involves reduced or absent alpha or beta chains in hemoglobin molecules.
Matching these conditions with their descriptions accurately reflects the specific genetic and physiological traits of each disease.