NOT KNOWN FACTS ABOUT 44% OF THE WORLD’S POPULATION HAS AT LEAST THE FIRST OF 5 GENE MUTATIONS, AND EVERY GENE MUTATION WORKS AGAINST YOU.

differing kinds of mutations (represented by in different ways coloured arrows) happen at different frequencies (represented by arrow thickness). range acts to be a sieve and permits only a subset of those mutations to persist and turn out to be the dissimilarities we see among genomes. low-priced genetic testing kits can be found on the internet