Sickle -cell Anaemia

Another known example of gene mutilation through substistution is the sick-cell condition.Normal haemoglobin type.A consists of two polypeptide chains.In  the sicke-cell condition one amino acids glutamic acid is replaced by another acid valine in each of the two polypeptide chains of the haemoglobin molecule.

Location: Stend mandazi, Kakamega, Kenya