What genetic term describes two alleles that are dominant, resulting in offspring that show both phenotypes?
Understand the Problem
The question is asking about the genetic concept that describes a situation where two alleles are dominant, leading to offspring exhibiting both phenotypes. It is likely looking for the correct terminology to describe this phenomenon.
Answer
Codominance
The final answer is Codominance
Answer for screen readers
The final answer is Codominance
More Information
"Codominance" is when both alleles in a gene pair are fully expressed in a heterozygote. An example is the ABO blood group, where both A and B alleles are expressed, resulting in AB blood type.
Tips
Mistaking codominance with incomplete dominance is common. In incomplete dominance, the phenotype is a blend, rather than a simultaneous expression.
Sources
- Genetic Dominance: Genotype-Phenotype Relationships - nature.com
- 20.1 Incomplete Dominance, Codominance, and Multiple Alleles - slcc.pressbooks.pub
- Codominance - National Human Genome Research Institute - genome.gov
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