Pick out the correct statements I. Haemophilia is a sex-linked recessive disease.
Pick out the correct statements
I. Haemophilia is a sex-linked recessive disease.
II. Down's syndrome is due to aneuploidy.
III. Phenylketonuria is an autosomal recessive gene disorder.
IV. Sickle-cell anaemia is an X - linked recessive gene disorder.
(a) II and IV are correct
(b) I, III and IV are correct
(c) I, II and III are correct
(d) I and IV are correct
4 views
1 Answers
Correct option (c) I, II and III are correct
Explanation
Sickle-cell anaemia is an autosomal recessive gene disorder in which sickle-celled RBCs are formed instead of normal ones. They carry very less content of O2 as their haemoglobin is malformed. The person suffering from this disease show symptoms of anaemia.
4 views
Answered