Genetic diversity

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High genetic diversity helpspopulations survive• Low genetic diversity can lead to inbreeding depression• Genetically similar individuals have a higher risk of producingoffspring that have hereditary diseases
Endangered species suffer from lowgenetic diversity• Human induced changes have led to smaller population sizes• Habitat fragmentation caused by urbanisation, forestry, agriculture,fishing etc.• Lower genetic diversity and higher risk of inbreeding• 80 % of endangered species have lowered genetic diversity(Spielman et al. 2004, PNAS)Clearcut in southern Finland.Photo: Marjatta Sihvonen
Page 2 and 3: Conservation genetics-a tool for sp
Page 7: Genetic resourcesWhat is genetic di
Page 11: Genetic resourcesHigh and lowdivers
Page 15: Future in genes• Climate change i
Page 18 and 19: Where do individuals come from andw
Page 20 and 21: DNA cannot be hiddenin tuna saladEx
Page 22 and 23: Detecting hybrid individualsExample
Page 24 and 25: Are populations genetically healthy
Page 26 and 27: Identifying distinct populations•
Page 28 and 29: What do the differences mean?Exampl
Page 30 and 31: Problem of the vulnerable speciesEx
Page 32 and 33: Predicting the genetic outcome ofma
Page 34 and 35: Past and present diversitycompared
Page 36 and 37: Are populations diverse enough tosu
Page 38 and 39: Promoting ecosystem resilianceExamp
Page 40 and 41: Practical considerations• DNA for

Genetic diversity

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