Q. 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
Explanation
[Solution] In codominance both alleles are fully expressed in the heterozygote, e.g. $I^AI^B$ blood group. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.