sickle cell anaemia
a.is an example of point mutation b.is caused by transversion mutation in gene controlling ß chain of haemoglobin
c. involves replacement of amino acid valine by glutamic acid
1)all a,b and c
2)a and b
3)b and c
4)a and c
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Sickle-cell anemia is caused by a point mutation in the β-globin chain of hemoglobin, causing the hydrophilic amino acid glutamic acid to be replaced with the hydrophobic amino acid valine at the sixth position. The β-globin gene is found on the short arm of chromosome 11.
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