Question

a) What is haemophilia? (3)

b) Why is haemophilia generally observed in human males. Explain the condition

under which a human female can be haemophilic. ?​

Answer 1

a) Haemophilia is a disorder in which the blood does not clot properly.

b) Males only have one copy of most of the genes on the X chromosome, whereas females have 2 copies. Thus, males can have a disease like hemophilia if they inherit an affected X chromosome that has a mutation in either the factor VIII or factor IX gene.

c) When a female has hemophilia, both X chromosomes are affected or one is affected and the other is missing or non-functioning. In these females, bleeding symptoms can be similar to males with hemophilia. When a female has one affected X chromosome, she is a “carrier” of hemophilia.

Answer 2

Answer:

a) a medical condition in which the ability of the blood to clot is severally reduced,causing the suffer to blead severally from even

b)