alleryStart learning →Accumulated phenylalanine derivatives in the brain cause what in phenylketonuria?
AMental retardation
BTotal blindness
CExcess bleeding
DSevere anaemia
Answer & Solution
Correct answer: A. Mental retardation
Phenylpyruvic acid and related compounds damage the brain.
Keep practising Principles of Inheritance and Variation
Browse all Principles of Inheritance and Variation questions for AP EAMCET, or explore more Biology topics.
Related questions
The total number of chromosomes in a normal human cell is what?Polyploidy is often seen in which group of organisms?Absence of one chromosome of a pair is termed what?Klinefelter's individuals have which feature besides masculine development?Turner's syndrome results from what chromosomal change in females?Who first described Down's syndrome in 1866?Chromosomal disorders arise from absence, excess or abnormal what?Alpha thalassemia involves genes on which chromosome?