Tuesday, October 25, 2011

3.20 Pedigree Diagrams (a)

3.20 Understand how to interpret Pedigree diagrams






  • The shaded in diagrams usually represent an inherited condition a male or female has recieved
  • Circles and squares represent phenotypes
  • Vertical lines represent the bond from parent to child
  • Horizontal lines represent partners bond
  • An open circle or open square is referred to as"normal" whereas a shaded circle or square is referred to as "affected"
What does each line represent?

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