Healthy
DNA
inserted
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 attaches and cuts the DNA double helix
DNA is cut
1
An RNA molecule, mixed with an enzyme called CAS9, is programmed to match a faulty section of DNA
RNA
Faulty DNA section
Cas9
Cas9
Healthy
DNA
inserted
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 attaches and cuts the DNA double helix
DNA is cut
1
An RNA molecule, mixed with an enzyme called CAS9, is programmed to match a faulty section of DNA
Faulty section
DNA
RNA
Cas9
Cas9
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