Study the pedigree chart given below. What does it show?

726-669

  • [AIPMT 2009]
  • A

    Inheritance of a condition like phenylketonuria as an autosomal recessive trait.

  • B

    The pedigree chart is wrong as this is not possible.

  • C

    Inheritance of a recessive sex­linked disease like haemophilia.

  • D

    Inheritance of a sex­linked inborn error of metabolism like phenylketonuria.

Similar Questions

Select the incorrect statement with regard to haemophilia.

  • [NEET 2013]

If a man who is colour blind marries a women, who is pure normal for colour vision, the chances of their sons have colour blindness is

A husband and wife have normal vision but fathers of both of them were colour blind. Probability of their first daughter to be colour blind is

  • [AIPMT 1990]

Gene for colourblindness is located on

All sons of a couple are colourblind because