Analysis Of The Book Yesterdays Kin

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The Book yesterdays kin, is an action filled book where the main character, Marianne a biologist professor at a small college in up state new york is forced into a high pressure research situation where she is lead to believe the fate of human life on earth at stake. She among other leading scientist are informed by the Aliens that a spore cloud is coming to earth with a virus that will kill the entire human race. The book starts with her indifference to the aliens who have landed in New York, however; as the story continues she is forced to conduct research, because of her gentic breakthrough of a common gene leading to a theory of a common female ancestor for all humans. Her adult three children’s different person beliefs are constantily …show more content…
Marinae’s second son Ryan who works for the International Wilde life federation views the Aliens similarly to the loosestrife an invasive specious. Ryan makes the point that the Aliens are invasive because they have not adapted to the earth environment. Her youngest son Noah who is a sugarcane user, has always had issues with his family discovers his adoption. The Aliens are reviled to be humans that have been taken from earth millions of years ago and have adapted to their planet. Noah in a an attempt to earn a some quick cash is offered to join the Deneb because of his genetic trait that links his genetically to them. Noah shifts from a drifter to belonging to the Deneb clan. As the book continues Marianne is lead to believe that the extinction of the human on earth in unavoidable. At the end of the story the Aliens explain that humans form earth have lived through the spore cloud before and only around twenty percent of people will die from it. The aliens themselves do not have that mutation and as a reward for the scientists work they leave the engineering for their star drive on …show more content…
If actual aliens came to earth from another planet they would certainly be an invasive species, however the invaders could also carry with them pathogens that humans or other organisms would not have an immunity to. This introduction of no immunity to a pathogen happened to the Native Americans as a result the Colombian Exchange. With the introduction of Europeans and later Africans into north and south America, almost ninety percent of the native population was killed along with wiping out the majority of their livestock (Walbert). If aliens did establish a colony on earth, humans would most likely not be the only species to be effected by illness. The alien colony would undoubtedly permanently alter the ecosystems of

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