Its Duplication cloning......adult body grown in around 5 months. It is provable ask your local politicians about it, see what they say. https://en.wikipedia.org/wiki/2045_Initiative This is a project to do all the things Donald talks about. Also the show Altered Carbon set in the distant future involves all this technology. 
Here's an ad for the show...How do they get these things to breathe?
RE: Donald Marshall explains the different types of clones