What is the primary purpose of pedigrees in guiding animal breeding decisions?

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BlackTom AI · Accepted Answer

When approaching the question about pedigrees in animal breeding, it's helpful to connect the concept to its practical purpose in genetics and breeding programs.
Option 1: 'To record an animal's dietary preferences' is not related to pedigrees. Diet records may be important for nutrition management, but pedigrees focus on ancestry and hereditary traits, not feeding choices.
Option 2: 'To determine the market value of an animal' could be influenced by lineage, but pedigrees themselves are a tool for hereditary information, not an intrinsic price tag or appraisal method. Market value involves many factors beyond pedigree alone.
Option 3: 'To track an animal's vaccination history' involves health management records, which are useful for welfare and biosecurity, but vaccination history is a medical record, not the genealogical pattern or inheritance data that pedigrees provide.
Option 4: 'To make informed decisions about mating to achieve desired traits' captures the core purpose of pedigrees. A pedigree documents ancestry and the inheritance of traits, enabling breeders to select mating pairs that increase the likelihood of passing desirable characteristics to offspring, while managing risks of inherited disorders.
Thus, evaluating each option reveals that only the last statement aligns with the fundamental use of pedigrees in guiding breeding decisions, whereas the other choices describe separate kinds of records or objectives not inherent to pedigrees.

AGRI10051_2025_SM2 Supplementary or Special Exam: Genetics for Agriculture (AGRI10051_2025_SM2)- Requires Respondus LockDown Browser

What is the primary purpose of pedigrees in guiding animal breeding decisions?

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