Mendelian Genetics: Inheritance and Dominance
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Questions and Answers

What term is used today to refer to the factors that determine inheritance?

  • Hybrids
  • Alleles
  • Genes (correct)
  • Offspring
  • Before Mendel, heredity was considered a blending process. What did Mendel's work demonstrate?

  • Specific laws govern the different characters in heredity. (correct)
  • Genes do not play a role in heredity.
  • Heredity is a random process.
  • Blending theory is correct.
  • Which principles of heredity did Mendel establish through his experiments?

  • Law of dominance and law of blending
  • Law of dominance and law of co-dominance
  • Law of co-dominance and epigenetics
  • Law of segregation and law of independent assortment (correct)
  • What did Mendel prove by showing that different characters in heredity follow specific laws?

    <p>Existence of paired elementary units of heredity (genes)</p> Signup and view all the answers

    What did Mendel apply to a biological problem for the first time?

    <p>Knowledge of mathematics and statistics</p> Signup and view all the answers

    How long did Mendel's studies remain unrecognized after his death?

    <p>34 years</p> Signup and view all the answers

    According to the pre-Mendelian theories, what was the basis of the Vapour and Fluid Theories?

    <p>Organs of the body give out some type of vapours that unite to form a new individual.</p> Signup and view all the answers

    What is the definition of HEREDITY according to the passage?

    <p>The specific mechanisms by which characteristics or traits are passed from parents to offspring via genes.</p> Signup and view all the answers

    What is the definition of VARIATIONS according to the passage?

    <p>The tendency of offspring to differ from their parents.</p> Signup and view all the answers

    Which pre-Mendelian theory proposed that genetic material is preformed in the reproductive cells?

    <p>Particulate Theories</p> Signup and view all the answers

    What is the definition of GENETICS according to the passage?

    <p>The study of heredity and variations of inherited characters.</p> Signup and view all the answers

    Which pre-Mendelian theory proposed that offspring are formed through the combination of reproductive materials from both parents?

    <p>Biparental Inheritance</p> Signup and view all the answers

    Which theory proposed that the body produces minute particles called 'gemmules' that are collected in the reproductive organs?

    <p>Theory of Pangenesis</p> Signup and view all the answers

    According to Lamarck's theory of 'Inheritance of Acquired Characteristics', how did giraffes develop long necks?

    <p>They inherited long necks from their ancestors who continually stretched their necks to reach food.</p> Signup and view all the answers

    Which theory proposed the existence of two types of cells, 'somatic cells' and 'reproductive cells', in the body of organisms?

    <p>Theory of Germplasm</p> Signup and view all the answers

    Which theory proposed that the inheritance of characteristics is determined by 'elementary particles'?

    <p>Biparental Inheritance by Elementary Particles</p> Signup and view all the answers

    Which of the following is NOT one of the particulate theories mentioned in the text?

    <p>Theory of Epigenesis</p> Signup and view all the answers

    Who proposed the Theory of Germplasm in 1892?

    <p>August Friedrich Leopold Weismann</p> Signup and view all the answers

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