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 (B)</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 (B)</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 (A)</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 (D)</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 (D)</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 (A)</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 (D)</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 (C)</p> Signup and view all the answers

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

<p>Characteristic (B)</p> Signup and view all the answers

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

<p>Heterozygote (B)</p> Signup and view all the answers

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

<p>Probability (C)</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 (B)</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 (A)</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 (C)</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 (B)</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 (B)</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 (B)</p> Signup and view all the answers

Why was Mendel's experimental approach considered advantageous?

<p>He conducted additional crosses to test his hypotheses (B)</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 (C)</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 (C)</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 (D)</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 (B)</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 (D)</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 (B)</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 (B)</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 (B)</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 (A)</p> Signup and view all the answers
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