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

What is a dihybrid cross?

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

What does a testcross help to reveal?

<p>The genotype of the individual being tested. (D)</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. (B)</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. (A)</p> Signup and view all the answers

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

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

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BIO207H5S Introductory Genetics Winter 2024 PDF

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