Assertion : Haemophilia never occurs in women.
Reason : Gene for hemophilia is located on X chromoseome.

Haemophilia does not occur in women

Haemophilia does not occur in women

Haemophilia does not occur in women

Assertion : Haemophilia shows cirss-cross inheritacne. Reason : The gene that causes haemophilia is recessive and lies in the sex (X) chromosome.

In which chromosome is the gene for haemophilia located?

In which chromosome is the gene for haemophilia located?

Assertion: Haemophilia shows criss-cross inheritance. Reason: The gene that causes haemophilia is recessive and lies in the sex (X) chromosome.

Genes located on X-chromosomes are called