Question

A gene showing codominance has

(a) one allele dominant on the other 

(b) alleles tightly linked on the same chromosome 

(c) alleles that are recessive to each other 

(d) Both alleles independently expressed in the heterozygote

Answer 1

Correct option (d) Both alleles independently expressed in the heterozygote

Explanation

A gene shows codominance when both alleles in heterozygous condition, express their traits independently instead of showing dominant-recessive relationship and such alleles are called codominant alleles.