Sponsor Area

Principles Of Inheritance And Variation

Question
CBSEENBI12047271

The gene of sickle cell anaemia is inherited by

  • blood cells

  • bone cells

  • sex chromosomes

  • autosomes

Solution

D.

autosomes

Sickle cell anaemia is a genetic disorder reported from negroes due to a molecular mutation of gene Hb on chromosome 11 (autosome) which produces the B-chain of haemoglobin. In sickle-cell anaemia the sixth amino acid of haemoglobin (ie, glutamic acid) is replaced by valine.