Concept:Pedigree selection means choosing breeding animals based on the recorded performance of their known ancestors.
Explanation:When an animal is too young to show its own performance or has not produced offspring yet, its pedigree is studied.
The performance records of parents, grandparents, and earlier relatives help judge its likely breeding value.
This method is useful because quality traits are often passed from one generation to the next.
Therefore, selection is made using ancestral records rather than the animal’s own traits or progeny.
Answer:A. performance of the ancestors