Mental Retardation Has Been Associated with Several Recessive Gene Pairings

question 106

Short Answer

Mental retardation has been associated with several recessive gene pairings. One causes an absence of or an extreme deficiency in phenylalanine hydroxylase, an enzyme that metabolizes phenylalanine. The acronym (initials) for this disorder are __________ .

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Definitions:

Heredity

The genetic transmission of traits from parents to offspring, influencing physical and sometimes behavioral characteristics.

Environment

The sum of all external conditions and influences that affect the life and development of an organism or population.

Behaviour

Behaviour refers to the actions or reactions of an organism or system, usually in response to external stimuli, encompassing a wide range of activities.

Hemispheric

Pertaining to one half of the brain, often regarding the specialized functions of the brain's left or right hemisphere.