Question

Which of the following is best suited for codominance.

• A. Both are recessive
• B. Both are dominant
• C. One is recessive
• D. One is dominant

Answer 1

The correct option is B

Both are dominant

The correct option is B:

Explanation of the correct option:

1. When both recessive and dominant traits are expressed in a heterozygous genotype, it is known as codominance.
2. In codominance, none of the factors is recessive but both can express themselves irrespective of their presence in homozygous or heterozygous conditions.
3. Therefore, both factors are dominant.

Explanation of the incorrect options:

Options A, C, and D:

Both the factors involved in codominance should be dominant.

Final answer: Codominance occurs when both the alleles are dominant.