Self Studies

Heredity And Ev...

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  • Question 1
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    Which of the following are the methods of dating fossils?

    (i) Artificial selection
    (ii) Relative method
    (iii) Selecting isotopic ratio
    (iv) Comparing DNA

  • Question 2
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    'Natural selection' selects individuals who are

  • Question 3
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    There is a population of brown and green beetles. By chance, a person steps on the green beetles and all the green beetles die. This situation explains the phenomenon of

  • Question 4
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    _______ can change their sex during their life.

  • Question 5
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    Which of the following is a homozygous-dominant dihybrid condition?

  • Question 6
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    In a certain plant, purple flowers are dominant to red flowers. If the cross of two purple-flowered plants produces some purple-flowered and some red-flowered plants, what is the genotype of the parent plants?

  • Question 7
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    Which of the following traits does not involve reproductive cells?

  • Question 8
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    Speciation cannot occur in groups of individuals that

  • Question 9
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    What do we call the differences in the traits among the individuals of a species?

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