3
The DNA is allowed to repair naturally, or a 'healthy' section of DNA can be inserted
2
The RNA aligns with the faulty DNA and the CAS9 cuts the DNA double helix
1
An RNA molecule, attached to an enzyme called CAS9, is programmed to match a faulty section of DNA
Healthy
DNA
inserted
DNA is cut
Faulty DNA section
RNA
Cas9
Cas9
3
The DNA is allowed to repair naturally, or a 'healthy' section of DNA can be inserted
2
The RNA aligns with the faulty DNA and the CAS9 cuts the DNA double helix at both ends
1
An RNA molecule, attached to an enzyme called CAS9, is programmed to match a faulty section of DNA
Healthy
DNA
inserted
Faulty section
DNA
RNA
Cas9
Cas9
DNA is cut
3
The DNA is allowed to repair naturally, or a 'healthy' section of DNA can be inserted
Healthy
DNA
inserted
2
The RNA aligns with the faulty DNA and the CAS9 cuts the DNA double helix at both ends
DNA is cut
1
An RNA molecule, attached to an enzyme called CAS9, is programmed to match a faulty section of DNA
Faulty section
DNA
RNA
Cas9
Cas9