____________ occurs as ____________ builds up in the system if Enzyme A is nonfunctional because of an inherited mutation.

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Phenylketonuria (PKU) occurs when the body cannot break down the amino acid phenylalanine due to a nonfunctional enzyme called phenylalanine hydroxylase. This leads to a buildup of phenylalanine in the body, which can cause severe intellectual disability and other health problems if not treated early. PKU is an inherited condition and is typically detected through newborn screening. Albinism is a genetic condition that impacts the production of melanin, a pigment that gives color to the skin, hair, and eyes. Xeroderma pigmentosum (XP) is a genetic disorder that impairs the body's ability to repair DNA damage caused by ultraviolet (UV) rays from sunlight, leading to an increased risk of skin cancer. Androgen insensitivity is a condition where the body's cells are unable to respond properly to male sex hormones, leading to abnormal development of male genitalia and other physical traits.

____________ Occurs as ____________ Builds Up in the System If

Occurs as Builds Up in the System If