Sickle-cell anaemia is :–[a] caused by substitution of valine by glu

1.	Sickle-cell anaemia is :–[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] characterised by elongated sickle-like nucleated RBCs[d] an autosomal dominant trait
Answer» Correct option [b] caused by a change in a single base pair of DNA

Sickle-cell anaemia is :–[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] characterised by elongated sickle-like nucleated RBCs[d] an autosomal dominant trait

Answer»

Correct option [b] caused by a change in a single base pair of DNA

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Sickle-cell anaemia is :–[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] characterised by elongated sickle-like nucleated RBCs[d] an autosomal dominant trait

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