Pick out the correct statements :
(a) Haemophilia is a sex-linked recessive disease.
(b) Down's syndrome is due to aneuploidy.
(c) Phenylketonuria is an autosomal recessive gene disorder.
(d) Sickle cell anaemia is an X – linked recessive gene disorder.
(a), (b) and (c) are correct
(a), (c) and (d) are correct.
(a) and (d) are correct
(b) and (d) are correct.
Solution
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