Codominance and Incomplete dominance are two types of genetic inheritance. Codominance essentially means that no allele can block or mask the expression of the other allele. On the other hand, incomplete dominance is a condition in which a dominant allele does not completely mask the effects of a recessive allele. Read on to explore more differences between the two.
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2 parent phenotypes are expressed together in their offspring | 2 parents blend together to create a new phenotype for their offspring |
The two alleles neither act as dominant or recessive over the other | One allele is not completely dominant over the other |
Both the alleles blend equally and show the traits in their offspring | Both alleles blend, however only one of the two is noticeable in the offspring |
A hybrid will not result in the formation of a new phenotype | A hybrid will always result in a new phenotype |
Individuals with blood group ABO exhibit Codominance. A and B are dominant in relation to O, however, they are not dominant against each other. | Snapdragon, Antirrhinum majus (pink flowers are resultant when crossed between a homozygous red flower and a homozygous white flower) |
Related Links:
- More Difference Between
- Incomplete Dominance – Concept of Dominance And Codominance
- Codominance and Multiple Alleles Based on Blood Group System
Frequently Asked Questions on Incomplete Dominance and Codominance
What is the difference between incomplete dominance and codominance?
Codominance signifies that no allele can block or mask the expression of the other allele. Incomplete dominance signifies the condition in which a dominant allele does not completely mask the effects of a recessive allele.
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