Co-dominance in Genetics
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Questions and Answers

What best describes co-dominance in genetics?

  • Both alleles are completely dominant.
  • Alleles blend together to form a new phenotype.
  • Only one allele is expressed in the phenotype.
  • Both alleles for a gene are expressed in the phenotype. (correct)
  • In the case of co-dominance, how do the alleles behave?

  • Both alleles are recessive.
  • One allele overshadows the other.
  • They create a blend rather than distinct forms.
  • Neither allele is dominant over the other. (correct)
  • Which of the following is an example of co-dominance?

  • Flowers exhibiting both pink and white petal colors. (correct)
  • Conducting an experiment on a single color flower.
  • A brown and black dog producing a solidly colored puppy.
  • A hybrid fruit with a mix of two flavors.
  • What distinguishes co-dominance from incomplete dominance?

    <p>In co-dominance, both alleles are visible in the phenotype.</p> Signup and view all the answers

    Which statement is true regarding the phenotype of co-dominant alleles?

    <p>It displays unique characteristics of both alleles at once.</p> Signup and view all the answers

    Study Notes

    Co-dominance

    • Both alleles for a gene are expressed in the phenotype
    • Neither allele is dominant
    • Example: flowers with pink and white petals

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    Description

    Explore the concept of co-dominance where both alleles for a gene manifest in the phenotype without one being dominant over the other. Understand this phenomenon through examples such as flowers showcasing both pink and white petals. Test your knowledge and grasp the essential principles of genetic expression.

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