Genetic engineering

Genetic Engineering was the process of modifying an organism by changing their DNA.

Instances

 * The Daleks were genetically engineered Kaleds. (DW: Genesis of the Daleks)
 * The Tzun integrated the DNA of other species into their own. (NA: First Frontier)
 * The Yend attempted to modify themselves, but the radiation of the star Mortain caused uncontrollable mutations. (DWA: The Sons of the Crab)
 * The Jadean were genetically engineered to withstand telepathic readings. (EDA: Placebo Effect)
 * Some Rakweed were genetically modified by Tree Slitheen-Blathereen to grow faster. (SJA: The Gift)
 * The Korven implanted Meron DNA in their ally, Thorne, effectively turning him into one. (K9TV: Eclipse of the Korven)

Other references

 * Marunianism was opposed to genetic engineering. (BNA: Dry Pilgrimage)