Question

Haemophilia is caused by
A. Bacteria
B. Virus
C. Genetic mutation
D. Cause unknown

Answer 1

Hint:
The bleeding disorder haemophilia is brought on by a genetic abnormality. As a result, it's crucial to obtain routine blood tests to keep track of its development and make sure the right medicines are being given.
A mutation in one of the genes responsible for encoding the blood clotting proteins is the root cause of this disorder. As a result, haemophiliacs struggle to correctly form clots, which can cause significant bleeding issues.
Damage to the joints is one way that haemophiliacs experience excessive bleeding. This frequently happens due to tears in the skin or membranes that protect joints, which cause fluid to seep out and cause swelling. Surgery may be required in extreme situations to close these tears and reduce regular bleeding.

Complete answer:
Genetic mutation is the appropriate answer. A genetic mutation results in haemophilia. Genes control how the body produces blood clotting factors. A change in the gene that creates the blood clotting components leads to haemophilia.

Option ‘C’ is correct

Note:
The DNA sequence of a gene is altered to generate a different result, which is known as a genetic mutation. The DNA sequence of that gene is permanently altered. For humans to develop, which is the process of change over a number of generations, genetic variances are crucial. In one person, a spontaneous genetic mutation takes place.
Germline mutations, such as sickle cell anaemia, are genetic changes that are passed down from parent to child at birth. The term "germline" describes mutations that take place in sperm and eggs. Every cell in the body receives its DNA from this genetic material.