Podcast
Questions and Answers
What best describes co-dominance in genetics?
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?
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?
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?
What distinguishes co-dominance from incomplete dominance?
Which statement is true regarding the phenotype of co-dominant alleles?
Which statement is true regarding the phenotype of co-dominant alleles?
Flashcards
Co-dominance
Co-dominance
When both alleles for a gene are expressed in the organism's physical appearance (phenotype). Neither allele dominates the other.
Phenotype
Phenotype
The physical expression of a gene, what you see.
Allele
Allele
A version of a gene that can be passed down from parents to offspring.
Dominance
Dominance
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Genotype
Genotype
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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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