What is the primary purpose of using pedigrees in animal breeding?

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BlackTom AI · Accepted Answer

Consider the question about the primary purpose of using pedigrees in animal breeding.
Option 1: 'To record an animal's dietary preferences' — This would be more relevant to nutrition logs or dietary management, not to breeding decisions. Pedigrees focus on inheritance and lineage, not diet.
Option 2: 'To determine the market value of an animal' — While pedigree data can influence perceived value, the core purpose of pedigrees is not to set price but to understand genetic relationships and traits. Market value depends on many factors beyond lineage.
Option 3: 'To make informed decisions about mating to achieve desired traits' — This directly aligns with the purpose of pedigrees: tracing ancestry to predict inheritance of traits, manage genetic diversity, and plan matings to improve desirable characteristics while avoiding negative inherited issues.
Option 4: 'To track an animal's vaccination history' — Vaccination records are part of health management, not the pedigree. Pedigrees summarize ancestry and relationships, not health interventions.
In summary, among the given choices, the third option best captures the fundamental role of pedigrees in guiding mating decisions to improve or fix traits in offspring, whereas the others describe tasks unrelated to the core function of pedigrees in breeding programs.

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

What is the primary purpose of using pedigrees in animal breeding?

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