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A gene showing codominance has:...

A gene showing codominance has:

A

both alleles independently expressed in the heterozygote

B

one allele dominant on the other

C

alleles tightly linked on the same chromosome

D

alleles that are recessive to each other

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ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?

ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes: How many phenotypes in all are responsible

An example for codominance is:

Inheritance pattern of ABO blood groups in humans shows dominance. codominance and multiple allelism. Explain each concept with help of blood group genotypes.

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