Genetics and Inheritance: Concepts in Inheritance
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Questions and Answers

What does the Law of Dominance state?

  • Both alleles are equally expressed in the phenotype.
  • The dominant allele completely masks the expression of the recessive allele. (correct)
  • Individuals of the F1 generation will display the recessive trait.
  • Offspring with intermediate phenotype are produced.

    • Which genetic concept involves having more than two alternative forms of a gene at the same locus?

  • Multiple Alleles (correct)
  • Incomplete Dominance
  • Complete Dominance
  • Co-dominance

    • What is a Monohybrid Cross?

  • A genetic situation where both alleles are equally expressed.
  • A genetic cross involving two different characteristics.
  • A genetic cross involving only one characteristic. (correct)
  • A genetic cross with complete dominance.

    • In Mendel's pea plant experiments, which genotype would result in tall plants according to Complete Dominance?

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

    What happens in Incomplete Dominance?

    <p>Offspring exhibit a blend or intermediate phenotype.</p> Signup and view all the answers

    Which type of inheritance leads to a phenotype showing both traits without blending?

    <p>Co-dominance</p> Signup and view all the answers

    What does Mendel's Principle of Segregation state?

    <p>Alleles segregate during gamete formation.</p> Signup and view all the answers

    What is the typical format for representing a genetics cross?

    <p>Utilizing Punnett squares and allele letters.</p> Signup and view all the answers

    In a Monohybrid Cross, what is the focus on?

    <p>Inheritance of single traits</p> Signup and view all the answers

    What does Co-dominance result in?

    <p>A blend or intermediate phenotype</p> Signup and view all the answers

    What is the genetic makeup of an organism known as?

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

    Which term refers to different forms of a gene that occur at the same locus on homologous chromosomes?

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

    In genetics, what is a segment of DNA that contains the code for a specific trait?

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

    What term describes the physical appearance of an organism based on its genotype?

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

    An organism with two identical alleles for a trait is considered to be:

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

    Which term refers to long threads of DNA that carry genetic information?

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

    What type of alleles are expressed in the phenotype whether in homozygous or heterozygous condition?

    <p>Dominant alleles</p> Signup and view all the answers

    When are recessive alleles expressed in the phenotype?

    <p>Only in homozygous condition</p> Signup and view all the answers

    What is the term used to describe two different alleles at the same locus on homologous chromosomes?

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

    What determines the specific characteristics of an organism?

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

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