Which of the following diseases is autosomal recessive?

Phenylketonuria $(PKU)$ is an inborn error of metabolism caused by the expression of recessive genes $(pp)$. In this condition,the amino acid phenylalanine is not converted into which amino acid,and what type of genetic disorder is it?

Which hereditary disease condition is characterized by the failure of blood to coagulate?

Which of the following disorders is not hereditary?

The distortion of hemoglobin under low oxygen tension is a characteristic of which of the following?

Both sickle cell anaemia and Huntington's chorea are