Who is john smith and why is he important .

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John Smith was an English explorer, soldier and writer best known for his role in establishing the first permanent English colony in the New World at Jamestown, Virginia. Smith's legend has grown over the centuries, in particular due to the popular story of his involvement with Pocahontas, a native American princess

genetics is the study of how dna works, the methodologies defining the new recent technologies allow scientist to have a panoramic view of the entire dna landscape, especially how genomes interact with their environment, including off course, factors outside their organisms.

thus is very possible the existence of both scenarios, where populations of isolated individuals have different genetic traits, and share traits related to genetic mutation, due rats can easily travel overseas using human transport channels. so scientists could get a vast number of data, including human interaction, evolution of rodents, health development, spread of infections, development of new organisms, how genomes evolve in different environments and so on.