Principle of Inheritance and VariationHard
Question
Which one is a hereditary disease ?
Options
A.Catatact
B.Leprosy
C.Blindness
D.Phenylketonuria
Solution
Phenylketonuria was discovered by the Norwegian physicisn A Fooling in 1934, an autosomal recessive mutation of gene on chromosome 12. Phenylketonuria results when there is a deficiency of live enzyme phenylalanine hydroxylase that converts phenylalanine into tyrosine. Increased phenylalanine in the blood interferes with brain development, muscles and cartilage of the legs may be defective and the patients cannot walk properly.
Create a free account to view solution
View Solution FreeTopic: Principle of Inheritance and Variation·Practice all Principle of Inheritance and Variation questions
More Principle of Inheritance and Variation Questions
A tall pea plant with round seeds (TTRR) is crossed with a dwarf wrinkle seeded plant (ttrr). F1 has tall plants with ro...Select the incorrect match :-...Mental retardation in man, associated with sex chromosomal abnormality is usually due to...A man who carries an X-linked allele will pass it on to :-...A man is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his s...