Mutations<span> lead to </span>genetic variation<span> by making random changes in an organism's genetic code. This can </span>causes<span> a different protein to be created or none at all.</span>
Migration and genetic drugs is like birds in the winter moving where it's warmer and the make babies to move back over where the original place is warm
I hope that helps
The Pros are that Doctors can help prevent certain diseases, help cure certain cancer, and help treatments get stronger.
The Cons is that someone people die from these injections, get an infection making a bigger disease, and or being cured but having killer side affects.
It causes worn tread on front tractor tires because of the hydroplaning. Hydroplaning occurs when tires is wheeled down on wet or watery road, building up water in the tires and the surface road. This usually makes or causes worn treat on tires.