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Practice problem

Pedigree — Definition & Charts

By Sylvia Freeman
The image shows a pedigree chart. The first generation consists of an affected father and an unaffected mother. They have two daughters and a son, who are all unaffected. Both daughters are carriers. The first daughter, who is a carrier, has one daughter with an affected man. Her daughter is unaffected. The son has children with an unaffected woman. All of these children are unaffected. The second daughter is a carrier and has a son, who is affected, with an unaffected man.

Based on this pedigree chart, what is the inheritance pattern for the purple trait?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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