Assertion : Haemophilia is a recessive sex li | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

Haemophilia also known as bleeder disease is an example of recessive sex linked inheritance in human beings. It is masked in heterozygous condition. T

Vedclass · Accepted Answer

If the Assertion is correct but Reason is incorrect.

Vedclass · Answer

Haemophilia also known as bleeder disease is an example of recessive sex linked inheritance in human beings. It is masked in heterozygous condition. The person suffering from this disease lack factors $VIII$ and $IX$ responsible for blood clotting. A small cut may lead to bleeding till death. Men are affected by this disease while women are the carriers. Mutation of a structural gene on chromosome number $15$ causes Marfan syndrome. This disease results in formation of abnormal form of connective tissues and characteristic extreme loosseness of joints.

Assertion : Haemophilia is a recessive sex linked disease.

Reason : Haemophilia occurs due to mutation of a structural gene on chromosome $15$.

Similar Questions

Mr. Stevan is suffering from haemophilia and cystic fibrosis. His father is hetrozygous for cystic fibrosis. The probability of Stevan's sperm having recessive $X-$linked as well as autosomal allele is

A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind ?

Given below is a highly simplified representation of the human sex chromosomes from a karyotype. The gene $'a'$ and $'b'$ could be of

Disorder inherited as Mendel's law of inheritance called

Given below is pedigree chart showing the inheritance of a certain trait in human. Select the correct option for the given chart

Assertion : Haemophilia is a recessive sex linked disease. Reason : Haemophilia occurs due to mutation of a structural gene on chromosome $15$.