obsidianvault/biology/G11 Pre-AP Biology/Pedigree Analysis.md

G11 Pre-AP Biology

Pedigree is a diagram of family relationships.

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Example begin: The trait we are examining is: The mode of inheritance of this trait is: Therefore, circles and squares that are filled in will represent: Let T rep brown Let t rep blue" ! Example end.

Example pedigree analysis begin: Pedigree analysis:

• Let statements:
  • If the trait is autosomal dominant then:
  • A = Kidney disease
  • a = No kidney disease
  • Affected genotypes: AA, Aa.
  • Unaffected genotypes: aa.
• Let statements:
  • If the trait is autosomal recessive then:
  • A = No cystic fibrosis.
  • a = Cystic fibrosis.
  • Affected genotypes: aa.
  • Unaffected genotypes: Aa, AA. Example end.