Blue Eyes - A Clue to Paternity

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Ashleigh Scrivens Current Topics in Science 30s Blue Eyes – A Clue to Paternity Ms. Zagula 03/25/08 Blue Eyes – A Clue to Paternity The key idea of this article of this article is that according to a new study conducted by Bruno Laeng and others at the University of Tromso, Norway, if a child is born to two blue-eyed parents and does not have blue eyes himself, then the blue-eyed man is not his biological father. The first major idea in this article is that blue eyed males have made an unconscious adaptation for the recognition of paternity based on eye colour and are therefore instinctively more attractive to that of the opposite sex that also has blue eyes. The second point is that researchers think that the reason blue eyed males prefer blue eyed women is that this particular physical trait can aid in the identification of their own relations The next point is the law of genetics. The law has three points, the first is: If both parents have blue eyes, the children will have blue eyes. The second is: The brown eye form of the eye colour gene is dominant, whereas the blue eye allele is recessive. Finally, the third point is: If both parents have brown eyes yet carry the allele for blue eyes, a quarter of the children will have blue eyes, and three quarters will have brown eyes. The fourth major idea is the survey that determined these facts. The survey included 88 males and females, they were asked to rate the attractiveness of the given model faces on their assigned computers. Each model’s face flashed across the screen twice, one with their natural eye colour, be it brown or be it blue, and the other with their unnatural eye colour. Finally, the last point the article brought up is the results of the surveys which were that both blue and brown eyed females showed no preference of eye colour whereas blue eyed men showed

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