Respuesta :

Answer:

The concepts of gene therapy arose initially during the 1960s and early 1970s whilst the development of genetically marked cells lines and the clarification of mechanisms of cell transformation by the papaovaviruses polyoma and SV40 was in progress.

Explanation:

Answer:

The concept of gene therapy arose during the 1960s and 1970s and is still in its infancy, meaning there is a paucity of reliable, long-term data on the safety and efficacy of this therapy.

Explanation:

i have to give credit to...

Dr. Ananya Mandal, MD

and here is the website https://www.news-medical.net/health/Gene-Therapy-History.aspx

mkdoyle27 had my answer so i put something else her answer came from... https://pubmed.ncbi.nlm.nih.gov/1303270/#:~:text=The%20concepts%20of%20gene%20therapy,and%20SV40%20was%20in%20progress.