General Genetics (BIO2212023) - Introduction to Genetics Lecture 1
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Questions and Answers

What is genetics?

  • The study of weather patterns
  • The study of how traits are passed from parent to offspring (correct)
  • The study of plant biology
  • The study of human anatomy

What is a gene?

  • A segment of RNA that determines a trait
  • A segment of carbohydrate that determines a trait
  • A segment of DNA that determines a trait (correct)
  • A segment of protein that determines a trait

What is a phenotype?

  • The observable physical appearance of an organism (correct)
  • The combination of genes an organism has
  • The internal environment of an organism
  • The general health status of an organism

What is the function of chromatids?

<p>To store genetic information in the chromosome (C)</p> Signup and view all the answers

Which term describes the combination of genes an organism has?

<p>Genotype (D)</p> Signup and view all the answers

What is the difference between genotype and phenotype?

<p>Genotype refers to genetic makeup, while phenotype refers to outward appearance (D)</p> Signup and view all the answers

What is the trait being discussed in the example?

<p>Height (D)</p> Signup and view all the answers

Which type of cells have membrane-bound organelles like mitochondria and chloroplasts?

<p>Eukaryotes (D)</p> Signup and view all the answers

What is the genetic material for both eukaryotes and prokaryotes?

<p>DNA (D)</p> Signup and view all the answers

Which organisms are often used as model organisms for genetic experimentation?

<p>Many different species (B)</p> Signup and view all the answers

What is a key property of genetic material mentioned in the text?

<p>Must be able to undergo change (C)</p> Signup and view all the answers

What is a centromere?

<p>The point where two chromatids attach (D)</p> Signup and view all the answers

Which of the following statements about homologous chromosomes is true?

<p>They contain the same genes at the same loci, but alleles are always different (C)</p> Signup and view all the answers

What is an allele?

<p>Different forms of genes on homologous chromosomes that encode different traits (B)</p> Signup and view all the answers

Which of the following represents a dominant allele?

<p>Tt (D)</p> Signup and view all the answers

What is the term for an organism that possesses two different alleles for a particular gene?

<p>Heterozygous (C)</p> Signup and view all the answers

In genetics, what does the term 'locus' refer to?

<p>The physical location of a gene (D)</p> Signup and view all the answers

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