A gene showing codominance has | vedclass

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(B) : The phenomenon of expression of both the alleles in a heterozygote is called codominance.Both alleles do not show a dominance-recessive relation

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both alleles independently expressed in the heterozygote

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(B) : The phenomenon of expression of both the alleles in a heterozygote is called codominance.Both alleles do not show a dominance-recessive relationship and are able to express themselves independently when present together.As a result,the heterozygous condition has a phenotype that is a combination of both homozygous genotypes.For example,the alleles for blood group $A$ $(I^A)$ and blood group $B$ $(I^B)$ are codominant,so when they occur together in an individual,they produce blood group $AB$.

$A$ gene showing codominance has

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$A$ roan bull is crossed with three cows. Cow $A$ has the same genotype as the roan bull,cow $B$ is red,and cow $C$ is white. What should be the proportion of roan offspring in each group of cows?

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. . . . . . is an intragenic interaction.

When dominant and recessive alleles express themselves together,it is called

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