Gregor Mendel and his Pea Plant Experiments
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Questions and Answers

What was the major reason Gregor Mendel chose to work with pea plants in his studies of heredity?

  • They are difficult to cultivate
  • They grow slowly
  • They have complex genetic traits
  • They produce many offspring (correct)
  • In Mendel's experiments, how many characteristics did he initially examine in the seeds and plants grown from the seeds?

  • Six
  • Seven (correct)
  • Eight
  • Four
  • What did Mendel focus on when selecting traits for his experiments with pea plants?

  • Characteristics with only one form
  • Traits that existed in two easily distinguishable forms (correct)
  • Physical traits only
  • Traits that were difficult to distinguish
  • Which terminology was NOT known to Mendel during his experiments with pea plants?

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

    What term is now used to refer to the genetic factors that Mendel described in his pea plant experiments?

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

    According to Mendel's First Law of Segregation, how many alleles does an individual diploid organism possess for any particular characteristic?

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

    What happens when two alleles of an individual plant separate into gametes?

    <p>One allele goes into each gamete</p> Signup and view all the answers

    In Mendel's monohybrid crosses, what was the reason behind some traits disappearing in the F1 heterozygous offspring?

    <p>Presence of recessive alleles only</p> Signup and view all the answers

    What did Mendel do to ensure that each plant was pure breeding for the traits he chose to study?

    <p>Monitored the plants for two generations.</p> Signup and view all the answers

    In Mendel's monohybrid crosses, what ratio of traits emerged in the F2 generation?

    <p>3:1</p> Signup and view all the answers

    What was the outcome when Mendel crossed a pea plant with round seeds with one that had wrinkled seeds in the parental generation?

    <p>All F1 seeds were round.</p> Signup and view all the answers

    What did Mendel observe when he conducted reciprocal crosses in his pea plant experiments?

    <p>The results were the same.</p> Signup and view all the answers

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