(a) List four characteristics which can be genetically transmitted in humans.

(b)(i) Name two sites eac• in plants and animals where meiosis occurs.
(ii) State two differences between meiosis and mitosis

(c) A woman with blood group 'A' (heterozygous) claimed that her son who has blood group '0' was fathered by Mr. James who has blood group 'A' (homozygous). With the aid of suitable genetic diagrams
(i) prove or disprove the woman's claim
(ii) give reasons to support your answer.