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Problem: Which of the following is the clearest indication in a pedigree that a trait is dominant?A. A father passing on a trait to his daughterB. Two affected parents having an unaffected childC. Two unaffected parents having an affected childD. All the children of affected parents are affected

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Remember that a pedigree shows the family's history for a particular trait. In short, this diagram shows the phenotype of individuals across the generations within a family. A shown trait is also studied in an attempt to determine the trait's mode of inheritance. Through its analysis, many patterns were discovered as distinctive features for dominant and recessive traits.

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Problem Details

Which of the following is the clearest indication in a pedigree that a trait is dominant?

A. A father passing on a trait to his daughter

B. Two affected parents having an unaffected child

C. Two unaffected parents having an affected child

D. All the children of affected parents are affected

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