"human glucocebrosidase, for treatment of gaucher's disease, has been successfully produced using carrot cells. what is a major advantage of producing biotherapeutics in plant vs in animal cells? "

Human glucocebrosidase is used as a therapeutic drug which is used to treat Gaucher's disease.

The farming of this substances in crops is very helpful for the population. The genetic engineering to insert genes in plants would result in GMOs.

It is more beneficial to use plants for this process as compared to that of animals because it is easily available and easily extracted.

It is more economical and easily accessible by people. It would not harm animals by incorporating the gene in them in laboratory conditions.  

i think the miocene epoch spans the time from 23 million to 12 million years ago.