Question

Which of the following disorder is not hereditary?
(a) Haemophilia (b) Cataract
(c) Sickle-cell anaemia(d) Colour blindness

Answer 1

Answer:

the answer is

Explanation:

option "b" cataract

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Answer 2

(b) Cataract

Explanation:

Genetic disorders also known as Mendelian disorders are mainly determined by alteration or mutation in the single gene. These disorders are transmitted to the offspring hence called inheritance. Haemophilia and colour blindness is sex-linked recessive disorder while sickle-cell anaemia is autosomal linked recessive disorder. These are hereditary because of these are genetic disorders. Cataract is not a genetic disorder so it is not a hereditary.