4.Principles of Inheritance and Variation
medium

Which of the following most appropriately describes haemophilia?

A

Chromosomal disorder

B

Dominant gene disorder

C

Recessive gene disorder

D

$X$-­linked recessive gene disorder

(NEET-2016)

Solution

(d): Haemophilia is a sex­linked disease. It occurs due to the presence of a recessive sex linked gene $h$, which is carried by $X$-­chromosome.

Standard 12
Biology

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