BIO207H5S Introductory Genetics Winter 2024 Lecture 1
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Questions and Answers

When is the class time and location for BIO207H5S Introductory Genetics on Tuesday?

  • 10:00 AM - 11:00 AM, IB 110
  • 01:00 PM - 02:00 PM, IB 110
  • 11:00 AM - 01:00 PM, IB 110 (correct)
  • 09:00 AM - 10:00 AM, IB 110

    • What does the term 'cumulative' mean in the context of the final exam?

  • The exam will cover only the most recent material
  • The exam will cover material from all tutorials and quizzes
  • The exam will have no makeup quizzes
  • The exam will include all content covered during lectures and tutorials (correct)

    • What happens if a student misses a term test?

  • They can take a retest at a later date
  • They will automatically receive a passing grade
  • They can submit their reason for absence to the Grading TA
  • They must use the Absence Declaration tool on ACORN and contact the instructor (correct)

    • What was Gregor Johann Mendel known for?

    <p>Conducting experiments on pea plants and formulating hypotheses based on observations</p> Signup and view all the answers

    Why was Mendel successful in his genetic experiments?

    <p>He adopted an experimental approach, interpreted results using mathematics, and was patient and thorough</p> Signup and view all the answers

    What did Mendel conclude from the results of his monohybrid crosses?

    <p>Only one allele goes into each gamete when they are formed</p> Signup and view all the answers

    What allowed Mendel to conduct experiments on pea plants?

    <p>Pea plants were self-fertilizing and produced many offspring, allowing artificial cross-pollination</p> Signup and view all the answers

    What was the Concept or Law of Dominance proposed by Mendel?

    <p>When two different alleles are present in a genotype, only the trait encoded by one of them—the dominant allele—is observed in the F1 phenotype</p> Signup and view all the answers

    What is meant by 'transmission genetics'?

    <p>The study of genetic information traveling from different parts of the body to reproductive organs</p> Signup and view all the answers

    What were some advantages of using garden pea plants for Mendel's experiments?

    <p>Pea plants complete entire generation in a single growing season, produce many offspring, and are known to differ in detectably distinct characters</p> Signup and view all the answers

    What is the significance of Mendel conducting monohybrid crosses?

    <p>To observe how parents that differed in a single characteristic were crossed</p> Signup and view all the answers

    When did Mendel publish his work on genetic experiments?

    <p>In 1866 after conducting his experiments for 10 years</p> Signup and view all the answers

    Who independently confirmed Mendel's conclusions around year 1900?

    <p>Hugo de Vries, Erich Tschermark, and Carl Correns</p> Signup and view all the answers

    What does Mendel's first law, the Principle of Segregation, state?

    <p>Each individual possesses two alleles for any particular trait, and these alleles separate from each other at the time of gamete formation.</p> Signup and view all the answers

    What is the molecular basis of Mendel's law of Segregation?

    <p>The independent separation of chromosomes in anaphase I of meiosis.</p> Signup and view all the answers

    What does the Principle of Independent Assortment state?

    <p>Alleles at different loci separate independently of each other.</p> Signup and view all the answers

    What is a Punnett square used for?

    <p>To predict the genotypic and phenotypic ratios of progeny from a genetic cross.</p> Signup and view all the answers

    What is a dihybrid cross?

    <p>A genetic cross involving two individuals that differ in two characteristics.</p> Signup and view all the answers

    What does a testcross help to reveal?

    <p>The genotype of the individual being tested.</p> Signup and view all the answers

    What does the term 'homozygote' refer to?

    <p>An individual organism possessing two of the same alleles at a locus.</p> Signup and view all the answers

    What is a backcross?

    <p>A type of genetic cross that involves an F1 genotype and either of the parental genotypes.</p> Signup and view all the answers

    What does the term 'phenotype' or 'trait' refer to?

    <p>The appearance or manifestation of a characteristic.</p> Signup and view all the answers

    What are homologous chromosomes?

    <p>Chromosomes that pair up during meiosis and have the same genes at the same loci.</p> Signup and view all the answers

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