What is codominance?

Answer 1

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codominance is the term used for a gene that has 2 or more dominant alleles. When the individual is heterozygous for 2 dominant alleles, the phenotype is a combination of the 2. For example in certain types of flowers, the pigments are codominant. If you cross a homozygous white flower with a homozygous red flower, you will get pink flowered offspring. Another example of this is with blood types. Both A and B are dominant (O is recessive). If you cross a homozygous A with a homozygous B, you will get offspring with the bloodtype AB which expresses both the A and the B phenotypes.

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biology major

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Answer 2

when one gene is not completely donimant over the other, when they share dominance

Answer 3

The phenotype show BOTH dominant traits. The only place I know of is blood group AB.