What selection method involves focusing on one trait before moving to the next?

• A. Sequential Selection
• B. Tandem Selection
• C. Mixed Trait Selection
• D. Parallel Selection

Answer: (B)

Tandem selection is the method that involves focusing on one specific trait before addressing the next. This approach prioritizes the improvement of traits sequentially rather than simultaneously. By concentrating on one trait, breeders can optimize that particular characteristic effectively before progressing to another, ensuring each trait is given the necessary attention for improvement. Tandem selection is particularly useful when genetic resources or time are limited, allowing for targeted advancements within a breeding program.

In contrast, other methods such as sequential selection and parallel selection involve different strategies for managing multiple traits simultaneously or in a more integrated manner, while mixed trait selection refers to assessing traits together without a priority sequence. Thus, tandem selection stands out for its focused approach to trait enhancement.