Question

The family pedigree of Queen Victoria shows a number of haemophilic descendents as
A. She herself was haemophilic.
B. Haemophilia is an autosomal recessive disorder
C. Haemophilia is a sex-linked recessive disorder and Queen Victoria was a carrier.
D. Haemophilia is caused by contact and therefore it was seen in the royal family descendants.

Answer 1

Hint: Haemophilia is brought about by a transformation or change, in one of the qualities, that gives directions to making the thickening variable proteins expected to shape blood coagulation. This change or transformation can keep the thickening protein from working appropriately or to be missing inside and out. These qualities are situated on the X chromosome.

Complete step by step answer: -The family of Queen Victoria shows various hemophilic relatives since hemophilia is a sex-connected passive problem and Queen Victoria was a transporter.
-X-connected passive or sex-connected passive sickness frequently happens in guys since Males have just a single X chromosome.
-A solitary passive quality on that X chromosome will cause the ailment. Females have two X chromosomes so they can go about as transporters for the infection.
-Haemophilia is a draining issue that eases back the blood coagulating measure. Along these lines, the right answer is 'Hemophilia is sex-connected recessive disorder and Queen Victoria was a carrier.
-Haemophilia is a sex-linked recessive disorder.
-Haemophilia is not caused by contact.
-These sorts of deformities happen more frequently in men than in ladies.
Hence, option C is correct.

Note: In haemophilia, the blood doesn't cluster as it should. Haemophilia is typically an acquired disorder. An individual is brought into the world with it. It happens given imperfection in one of the thickening variable qualities on the X chromosome. And if a hemophilic person is injured then it leads to a large blood loss.