Sickle­cell anaemia is

  • [AIPMT 2009]
  • A

    caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin

  • B

    caused by a change in a single base pair of $DNA$

  • C

    characterized by elongated sickle like $RBCs$ with a nucleus

  • D

    an autosomal linked dominant trait.

Similar Questions

What are all the chances of colour blind daughter and sons being born in a marriage of normal man marrying a normal woman, whose father was colour blind

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]

Colour blindness is

A colourblind daughter is born when

A marriage between normal visioned man and colourblind woman will produce which of the following types of offsprings