Question

what are the two discoveries which made recombinant DNA technology​

Answer 1

Explanation:

chemical engineering

genetic engineering

Answer 2

The two discoveries which made recombinant DNA technology​:-

1)Presence of plasmids or extra chromosomal DNA fragments in the bacterial cell which replicate along with bacterial DNA and can be used as a vector for carrying foreign DNA.

2)Discovery of rDNA or recombinant DNA.R-DNA technology uses palindromic sequences and leads to the production of sticky and blunt ends.