Which statements are true regarding Mendelian disorder?

(i) Haemophilia is a X-linked recessive trait shows transmission from carrier female to male progency.

(ii) Haemophilia is a disorder in which a vital factor for clotting of blood is lacking due to this, in an affected individual a simple cut will result in non-stop bleeding.

(iii) The family pedigree of Queen Victoria shows a number of haemophilic descendents as she was a carrier of the disease.

(iv) All type of anaemia is an autosome linked recessive trait.

(v) Sickle-cell anaemia is due to a mutant allele on chromosome 11.

(vi) Sickle-cell anemia disease is controlled by two pair of allele.

(vii) The mutant haemoglobin molecule of sickle cell RBC undergoes polymerization under high oxygen tension.