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yes, phenylketonuria progressively leads to mental retardation. In phenylketonuria, there is lack of enzyme phenylalanine oxidase which generally oxidises phenylalanine to tyrosine. Hence, accumulation of phenylalanine occurs. This leads to a mousy smell a well as mental retardation.

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Q: How does phenylketonuria effect mental retardation?
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Related questions

Why do they do a phenylketonuria test?

Because if it is left untreated it can cause brain damage and severe mental retardation


What inborn metabolism problem can result in mental retardation?

Single gene defects such as phenylketonuria (PKU) and other inborn errors of metabolism may also cause mental retardation if they are not found and treated early.


How does mental retardation effect learning?

Having a mental issue can affect learning in a number of ways. It makes communication a bit harder. Mental retardation also can affect learning because of social problems and interaction with those who are teaching.


Does over-study causes mental retardation?

Overstudy does not cause mental retardation.


What is something the environment can not effect on phenotype?

mental retardation caused by an expectant mother's alcohol abuse


How common is mental retardation?

TThere are quite high as it comes in different types of mental retardation.


Can you give me a literature review on mental retardation and depression?

literature review on mental retardation with reference


Exposure to what element can cause mental retardation?

Exposure to lead can also cause mental retardation.


How many people die from mental retardation?

Mental retardation occurs in 2.5-3% of the general population.


How many kinds of retardation is there?

Mental retardation has different levels. There is Mild intellectual disability; moderate intellectual disability; severe intellectual disability; and Profound intellectual disability.https://www.floridahospital.com/mental-retardation-mr/symptoms-and-signs-mental-retardation


How often does autism result in mental retardation?

The two conditions are not at all related. Autism does not cause mental retardation.


Why do some people have mental retardation?

because some ppl are born with birth defects like mental retardation