Multiple Choice
Which of the following structures on a phylogenetic tree represents the evolutionary connections between organisms?
22. Evolutionary Genetics
Phylogenetic Trees
Back22. Evolutionary Genetics
Phylogenetic Trees
- Multiple Choice
Which principle is NOT used to construct a phylogenetic tree?
- Open Question
Why might mitochondrial, Y chromosome, and autosomal DNA provide different perspectives on our evolutionary past—for example, with respect to our relationship with Neandertals?
- Open Question
What insights have analyses of human mitochondrial DNA provided into our recent evolutionary past?
- Open Question
What lines of evidence support the hypothesis that modern humans evolved in Africa and then subsequently migrated throughout the globe?
- Open QuestionDiscuss how both gains and losses of regulatory elements may lead to human-specific traits.
- Open QuestionHow do copy-number variants arise? Do they account for more polymorphism than SNPs within the human population?
- Open QuestionConsider possible societal and ethical dilemmas that might arise if we currently shared the planet with another hominin.
- Open QuestionCarl Linnaeus, the 18th-century botanist who laid the foundation for the modern system of taxonomic nomenclature, placed chimpanzees and humans in the same genus. Discuss the merits of this classification.
- Open Question
What must be assumed in order to validate the answers in Problem 7?
- Open QuestionDescribe how selection at a locus can result in a loss of polymorphism surrounding the locus.