Genetic Variation Causes: New Jersey Agricultural Experiment Station
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Questions and Answers

What is genetic variation?

  • Random assortment of chromosomes
  • Differences in the genetic composition of organisms (correct)
  • Random fusion of sperm and egg cell
  • Changes in the environment
  • Which process leads to changes in genetic material?

  • Gene flow
  • Meiosis
  • Mutation (correct)
  • Random genetic drift
  • What is the process responsible for the random assortment of chromosomes and crossing over?

  • Mutation
  • Gene flow
  • Natural selection
  • Meiosis (correct)
  • Which factor leads to genetic variation within a population through immigration and emigration?

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

    What process can reduce genetic diversity by a severe reduction in population size?

    <p>Random genetic drift</p> Signup and view all the answers

    Which factor provides individuals with an increased chance of survival according to natural selection?

    <p>Certain variations</p> Signup and view all the answers

    What is the process that leads to differences among organisms of the same species?

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

    Which term describes the transmission of genes from parents to offspring?

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

    Which field of Genetics focuses on the study of gene frequencies and changes in populations?

    <p>Population Genetics</p> Signup and view all the answers

    What process results in the formation of gametes with half the number of chromosomes as the parent cell?

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

    Which of the following best describes the study of gene structure and function at the molecular level?

    <p>Molecular Genetics</p> Signup and view all the answers

    What is the term for the movement of genes between populations?

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

    Which field of genetics studies the distribution and behavior of genes within and between populations?

    <p>Population Genetics</p> Signup and view all the answers

    What type of variation refers to the difference in appearance, form, and structure of the body?

    <p>Morphological variation</p> Signup and view all the answers

    Which type of variation is related to differences in the functioning of body parts?

    <p>Physiological variation</p> Signup and view all the answers

    Which field of genetics focuses on the transmission of traits from generation to generation?

    <p>Classical Genetics</p> Signup and view all the answers

    What type of genetics is concerned with the study of continuously measured characters like height, weight, and yield?

    <p>Quantitative Genetics</p> Signup and view all the answers

    What field of genetics combines cytology and genetics and focuses on the study of the structure and function of the cell, especially chromosomes?

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

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