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4.Principles of Inheritance and Variation
normal
Alkaptonuria is caused due to
A
Dominant autosomal gene
B
Recessive autosomal gene
C
$X$ linked recessive gene
D
$X$ linked dominant gene
Solution
(b)Recessive disease, excrete large amount of homogentisic acid in urine which turn black upon exposure to light.
Standard 12
Biology
