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Practice problem

Pedigree — Definition & Charts

By Gabi Slizewska
A pedigree. An unaffected female has children with an unaffected female. Their children are an unaffected male, affected male, and affected female. The affected female has a child with an unaffected male. The child is unaffected. The affected male son from the original couple has children with an unaffected female. Their children are an unaffected female and unaffected male. The unaffected male has a child with an unaffected female. Their child is an affected male.

The pedigree above shows the expression of a trait over several generations. What is the most likely pattern of inheritance of this trait?

Choose one answer

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

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