Drawing a pedigree

 

The steps to drawing a pedigree

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Figure 1

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Figure 1

Common pedigree symbols, definitions and abbreviations

figure 1

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Abbreviations

  1. If age at death is known, abbreviate with the letter “d” (deceased) followed by the age.
  2. If the age at diagnosis of a condition is known, abbreviate with “dx” (diagnosed) followed by the age.
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Relationships

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Relationships

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Figure 2

Degrees of relationship

Figure 2

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