Represented below is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern?

726-650

  • [AIPMT 2012]
  • A

    Phenylketonuria

  • B

    Sickle cell anaemia

  • C

    Haemophilia

  • D

    Thalassemia

Similar Questions

Assertion : Haemophilia is a recessive sex linked disease.

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

  • [AIIMS 2007]

Why are thalassemia and haemophilia categorised as Mendelian disorders? Write the symptoms of these diseases. Explain their pattern of inheritance in humans.

In the given pedigree, indicate whether the shaded symbols indicate dominant or recessive allele.

Most studies on human genetics have been made through

$A$ - Sickle-cell anaemia is sex linked recessive trait

$R$ - This disease is controlled by more that two pair of alleles