Mendel's Genetics Experiments
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Questions and Answers

Who announced the theory of natural selection in 1858?

  • Gregor Mendel
  • Aristotle
  • Alfred Russel Wallace
  • Charles Darwin (correct)
  • Which British naturalist published 'On the Origin of Species by Means of Natural Selection' in 1859?

  • Charles Darwin (correct)
  • Gregor Mendel
  • Aristotle
  • Alfred Russel Wallace
  • What did Aristotle mistakenly presume was the mode of inheritance?

  • Genes
  • Blood (correct)
  • Cells
  • Environment
  • Who observed a honeycomb pattern of rectangles in cork under a microscope in 1665?

    <p>Robert Hooke</p> Signup and view all the answers

    Which theory refuted the biblical interpretation of how life on Earth began?

    <p>Theory of Natural Selection</p> Signup and view all the answers

    What did people refer to as products of their own 'flesh and blood,' according to the text?

    <p>Offspring</p> Signup and view all the answers

    What is the process that reduces the amount of genetic material in gametes by one-half?

    <p>Meiosis</p> Signup and view all the answers

    Who was the first scientist to successfully refute the idea of acquired physical characteristics being passed on to offspring?

    <p>Weissmann</p> Signup and view all the answers

    What process did Weissmann call reduction division, which is now known as?

    <p>Meiosis</p> Signup and view all the answers

    Which type of plant breeding involves breeding plants with the same genetic traits for many generations?

    <p>Purebred breeding</p> Signup and view all the answers

    In Mendel's experiments, what did he observe when he cut off the tails of several generations of mice?

    <p>Their offspring were born tailless</p> Signup and view all the answers

    What is the term used to describe the process by which cells divide to produce genetically identical cells?

    <p>Mitosis</p> Signup and view all the answers

    What did Mendel theorize about characteristics or traits?

    <p>They come in pairs, one from each parent, with dominance of one trait over the other.</p> Signup and view all the answers

    What did Mendel's experiments focus on to document results accurately?

    <p>Plant height, pea pod color, seed shape, and leaf color.</p> Signup and view all the answers

    How did Mendel's observations about purebred plants differ from the accepted belief of inheritance?

    <p>Purebred plants consistently conveyed traits from generation to generation, contrary to the belief in trait blending.</p> Signup and view all the answers

    What was the common belief about inheritance before Mendel's experiments?

    <p>Traits blend together during reproduction, diluting or eliminating the original traits.</p> Signup and view all the answers

    In the context of traits inheritance, what did Darwin's experiments with snapdragons show?

    <p>His observations were similar to those made by Mendel in terms of trait inheritance.</p> Signup and view all the answers

    What was Mendel's approach that bolstered the credibility of his results?

    <p>Rigorous scientific methods of observation, large sample size, and statistical analysis.</p> Signup and view all the answers

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