Question

Inheritance of ABO blood groups is an example of

• A. Incomplete dominance
• B. Dominance
• C. Codominance
• D. Both B and C

Answer 1

The correct option is D Both B and C

ABO blood group is best example to Codominance, Incomplete dominance and Dominance.

Codominance – expression of phenotypes of both parents is called codominance.

Multiple allelism – Presence of more than two alleles for a gene is called Multiple allelism.

Dominance – expression of one allele in pair of contrasting characters, in heterozygous organisms is called Dominance.

So, the correct option is ‘Both B and C’