I just remove them from the plant,let them dry,and keep them in a dark place untill you are ready to plant.that always works for me.As long as they are kept dry,and in the dark,they should be good for a couple years.
people can put jellyfish dna into a rabbit,and make it glow in the dark,or insert bacteria dna into corn to make it ammune to many deseases.it,s only a matter of time before we can mix anything with anything