Final answer:
Pedigree charts are essential tools in genetics for tracking traits across generations using standardized symbols to represent individuals and predicting trait inheritance.
Explanation:
Pedigree charts are diagrams used to track which organisms are carriers of a specific trait through several generations. They show phenotypes and genotypes, determining the mode of inheritance and predicting the probability of trait appearance. Geneticists use standardized symbols to represent individuals' sex, family relationships, and phenotype in pedigrees.
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