Genetic Diversity Quiz

What differences make a difference?
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A red asterisk (*) indicates required questions.

  1. Approximately how old are modern humans?*
    170,000 years
    40,000 years
    70,000 years
    1.2 million years
    5 million years


  1. Which group has the most genetic variation?*
    Humans
    Chimpanzees
    Penguins
    Fruit flies
    Elephants


  1. What is the source of genetic variation in humans?*
    mutation
    genetic drift
    natural selection
    sexual selection
    environment


  1. Which two present-day populations are most likely to be genetically similar?*
    Italians and Ethiopians
    Senegalese and Kenyans
    Italians and Swedes
    Chinese and Lakota (Sioux)
    Saudi Arabians and Ethiopians


  1. What caused differences in skin color to evolve?*
    The environment
    Natural selection
    Sexual selection
    Tannion oil
    We don't know


  1. If you know a person's skin color, what can you predict about them?*
    Their blood type
    Their height
    The likelihood they will get certain inherited diseases
    Whether or not they have musical talent
    None of the above


  1. An individual from which country is most likely to carry the sickle cell trait?*
    Ireland
    Greece
    South Africa
    Samoa
    Mexico


  1. Your ancestors are likely to include:*
    Nefertiti
    Julius Caesar
    Qin Shi Huang - first emperor of China
    All of the above
    None of the above


  1. Which continent has the greatest human genetic diversity?*
    Europe
    Asia
    North America
    South America
    Africa


  1. If a catastrophe wiped out everyone except people in Europe, how much of the total genetic variation in our species would be left?*
    50%
    38%
    94%
    21%
    74%





Jessica Sachs