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Pedigree chart Autosomal Dominant Disorders

Characteristics of Autosomal Dominant Disorders:
  • Appears in both sexes with equal frequency.
  • Both sexes transmit the trait to their offspring.
  • Does not skip generations.
  • Affected offspring must have an affected parent, unless they possess a new mutation.
  • When one parent is affected (heterozygous) and the other parent is unaffected,  approximately 1/2 of the offspring will be affected.
  • Unaffected parents do not transmit the trait.

hypercholesterolemia pedigree chart

Pedigree chart of Autosomal Dominant Trait

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