DNA-DNA hybridization studies in the 1960s demonstrated that common chimpanzees (Pan troglodytes), and pygmy chimpanzees (Pan paniscus), are most closely related to which of the following non-chimpanzee primate species (sharing about 98% of protein-coding nucleotides)? the agile gibbon (Hylobates agilis) the human (Homo sapiens) the orangutan (Pongo pygmaeus) the gorilla (Gorilla gorilla) the olive baboon (Papio anubis)

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
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   DNA-DNA hybridization studies in the 1960s demonstrated that common chimpanzees (Pan troglodytes), and pygmy chimpanzees (Pan paniscus), are most closely related to which of the following non-chimpanzee primate species (sharing about 98% of protein-coding nucleotides)?

  1. the agile gibbon (Hylobates agilis)
  2. the human (Homo sapiens)
  3. the orangutan (Pongo pygmaeus)
  4. the gorilla (Gorilla gorilla)
  5. the olive baboon (Papio anubis)

 

7. Which of the following mobile genetic elements is a retrotransposon, making up about 10% of the human genome, but no longer codes for a functional gene product (and is therefore a “pseudogene”)?

  1. the LINE-1 element (repeated up to 50,000 times in the human genome)
  2. the DNA-only transposons known as “jumping genes” (in corn)
  3. the avocado sunblotch viroid
  4. the typical transposon found in a bacterial chromosome
  5. the Alu sequence (repeated up to 1,000,000 times in the human genome)

. Which of the following self-replicating biological agents carries only one polynucleotide chain as its genetic material, codes for only a single protein, and uses that protein in its nucleocapsid?

  1. the RNA virusoid known as hepatitis delta virusoid
  2. the single-stranded RNA virus known as human immunodeficiency virus
  3. the double-stranded RNA virus known as rotavirus
  4. the double-stranded DNA virus known as pandoravirus
  5. the RNA viroid known as citrus exocortis viroid
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