Discussion
Haemophilia disease is more commonly seen in males because
Answer: A
Haemophilia is commoner in males because it is an X-linked disease.
The genes for clotting factors VIII and IX lie on the X chromosome, and haemophilia is X-linked recessive. A male has only one X chromosome, so a single defective copy causes the disease. A female has two X chromosomes and is usually only a carrier unless both are affected, which is rare.
An autosomal disease would affect both sexes equally. A Y-linked trait would pass only from father to son, which is not haemophilia's pattern. It is a blood clotting disorder, not a disease of the reproductive system.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development