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Practice problem

Pedigree — Definition & Charts

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

The pedigree above shows a family history of a common trait. What type of pattern of inheritance does the trait follow?

Choose one answer

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

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