I don't think doctors are supposed to do that but if they are I'm guessing it's probably to kill a infection of some kind or speed up the healing process
<h2>Answer and Explanation </h2>
The genetic recombination is a biological process in which the recombination of homologous DNA strand occurs. There are three types of genetic recombination in human being that is :
Human Reproducation that is by introducing new gene combination to the population.
By cell Mutation is it that is changes in the DNA.
By Gene flow it is that is by movement of a gene from one population to another population.
One commonality is the ability to grow and reproduce through the production of new cells; cell division.
The process of nature where only the strongest will survive and live on
Hope this helps