BIO207H5S Introductory Genetics Winter 2024 Lecture 1
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Questions and Answers

Who is the instructor for the BIO207H5S Introductory Genetics Course for Winter 2024?

  • Eniolaye Balogun
  • Preeti Karwal (correct)
  • Daniel L. Hartl
  • Benjamin A. Pierce
  • When are the office hours scheduled for Eniolaye Balogun?

  • Monday 01:00 PM - 02:00 PM
  • Tuesday 1:00 PM - 2:30 PM
  • Monday 11:00 AM - 12:00 PM (correct)
  • Tuesday 11:00 AM - 01:00 PM
  • Which textbook is mentioned as a source of information for the course?

  • Campbell Biology 11th Edition - Pearson
  • Genetics: A Conceptual Approach 7th ed. - W.H. Freeman & company, New York (correct)
  • Genetics: Analysis of Genes and Genomes 9th Edition - Jones & Bartlett Publishers
  • Introduction to Genetic Analysis 11th ed. - Macmillan Learning
  • Who is the Admin TA for TUT0106 and TUT0108?

    <p>Eniolaye Balogun</p> Signup and view all the answers

    When is the class time and location for BIO207H5S LEC0101?

    <p>Mon, 01:00 PM - 02:00 PM, IB 110</p> Signup and view all the answers

    Who is the instructor for the course 'Genetics: Analysis of Genes and Genomes 9th Edition'?

    <p>Daniel L. Hartl</p> Signup and view all the answers

    In a dihybrid cross, what is the phenotypic ratio according to Mendel's principle of independent assortment?

    <p>9:3:3:1</p> Signup and view all the answers

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

    <p>Separation of homologous chromosomes in anaphase I of meiosis</p> Signup and view all the answers

    What is the expected phenotypic ratio in the F1 generation resulting from a test cross characteristic of a heterozygous genotype?

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

    What is the probability range for predicting the likelihood of the occurrence of a particular event?

    <p>0 to 1</p> Signup and view all the answers

    Which geneticist developed the Punnett square in 1917 as a shorthand method for predicting genetic crosses?

    <p>Reginald C. Punnett</p> Signup and view all the answers

    What is an attribute or feature possessed by an organism known as?

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

    What is an individual organism possessing two different alleles at a locus known as?

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

    What refers to the likelihood of the occurrence of a particular event?

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

    Which geneticist is credited with establishing that tall (T) is dominant to short (t) by crossing two varieties of pea plants?

    <p>Gregor Mendel</p> Signup and view all the answers

    "An inherited factor (encoded in the DNA) that helps determine a characteristic" is known as what?

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

    What type of cross involves one individual of unknown genotype being crossed with another individual with a homozygous recessive genotype for the trait in question?

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

    What kind of cross is carried out between an F1 genotype and either of the parental genotypes?

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

    What is the main focus of the study of genetics?

    <p>The study of heredity and inherited variation</p> Signup and view all the answers

    What is the purpose of using model genetic organisms in genetic analysis?

    <p>To understand the laws of inheritance</p> Signup and view all the answers

    Why was Mendel's experimental approach considered advantageous?

    <p>He conducted additional crosses to test his hypotheses</p> Signup and view all the answers

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

    <p>Two alleles separate with unequal probability into the gametes</p> Signup and view all the answers

    Why did Mendel term certain traits as 'dominant' and 'recessive'?

    <p>Because they appear unchanged in the F1 heterozygous offspring</p> Signup and view all the answers

    What is the principle of segregation proposed by Mendel?

    <p>Two alleles separate when gametes are formed, with one allele going into each gamete</p> Signup and view all the answers

    What were the major subdivisions of genetics mentioned in the text?

    <p>Transmission genetics, molecular genetics, and population genetics</p> Signup and view all the answers

    What was incorrect about the concept of 'pangenesis' according to Table 1.1?

    <p>Genetic information travels from different body parts to reproductive organs</p> Signup and view all the answers

    What did Mendel's pea plants help demonstrate about inheritance?

    <p>The genotype determines the characters, not the environment</p> Signup and view all the answers

    Why did Mendel's work go unappreciated for about 34 years?

    <p>Lack of advancement in microscopy techniques at that time</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

    Who developed the theory that genes are located on chromosomes (the chromosomal theory of heredity)?

    <p>Sutton and Boveri</p> Signup and view all the answers

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