Just to make clear "RECOMBINANT DNA TECHNOLOGY' - rDNA - is GENETIC ENGINEERING formally known as 'eugenics'
https://www.genome.gov/genetics-glossary/Genetic-Engineering
https://www.genome.gov/genetics-glossary/Genetic-Engineering
Genome.gov
Genetic Engineering
Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism.