Biotechnology And Its Applications Question 115
Question: In man, albinism is due to non-synthesis of melanin in the absence of [BHU 2003]
Options:
A) Lysine
B) Tyrosinase
C) Luciferase
D) Melanase
Show Answer
Answer:
Correct Answer: B
Solution:
In man, enzyme tyrosinase (also inhibited) by excess phenylalanine) is absent due to homozygous recessive autosomal alleles.
Melanin or pigment formation from dihydrophenylalanine is stopped.
There is lack of pigment in skin, hair and iris.