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Genetics: A Conceptual Approach, 5th Edition Solution Manual

Genetics: A Conceptual Approach, 5th Edition Solution Manual is your guide to textbook mastery, offering detailed solutions to every chapter's exercises.

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Chapter One: Introduction to GeneticsCOMPREHENSION QUESTIONSSection 1.1*1.How did Hopi culture contribute to the high incidence of albinism among members of theHopi tribe?Solution:In Hopi culture, albino individuals were considered special and awarded special status inthe village. Hopi male albinos were not required to work the fields, thus avoiding extensiveexposure to sunlight that could prove damaging or deadly. Because the male albinosremained in the village during the day, they had mating advantages over the males whoparticipated in farming and other duties outside of the village. Albinism was considered tobe a positive trait reflecting the purity of the villagers. Finally, the small population size ofthe Hopi tribe may have helped increase the allele frequency of the albino gene due tochance.2.Outline some of the ways in which genetics is important to all of us.Solution:Genetics directly influences our lives and is fundamental to what and who we are. Forexample, genes affect our appearance (e.g., eye color, height, weight, skin pigmentation,and hair color). Our susceptibility to diseases and disorders is affected by our geneticmakeup. Genetics plays a significant role in researching and developing techniques todiagnose and treat these hereditary diseases. Genes may also influence our intelligence andpersonality. Genetic techniques have enabled scientists to develop genetically modifiedcrops that are resistant to pesticides and herbicides or that have enhanced nutritionalproperties making it possible to produce larger quantities of food for the world’s growingpopulation. Lastly, genetic engineering has made it possible to mass producepharmaceuticals and other substances of commercial value.3.Give at least three examples of the role of genetics in society today.Solution:Genetics plays important roles in the diagnosis and treatment of hereditary diseases: inbreeding plants and animals for improved production and disease resistance; and inproducing pharmaceuticals and novel crops through genetic engineering.4.Briefly explain why genetics is crucial to modern biology.

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