Sickle-cell anaemia results from a mutation in the haemoglobin gene. The normal base sequence is given in 1, while the sickle-cell base sequence is given in 2. 1 TGA GGA CTC CTC 2 TGA GGA CAC CTC What is responsible for the alteration in the DNA?
- Athe addition of one base
- Bthe addition of two bases
- Cthe change of one base for another
- Dthe deletion of one base