6

Patterns and Mechanisms of Inheritance in Humans

CHAPTER OBJECTIVES
  • Pedigree
  • Patterns of Inheritance in Humans
  • Autosomal Dominant Inheritance
  • Autosomal Recessive Inheritance
  • X Linked Dominant Inheritance
  • X Linked Recessive Inheritance
  • Mitochondrial Inheritance
  • Multifactorial Inheritance
PEDIGREE

An important tool used by geneticists to study human inheritance is the pedigree. A pedigree is a pictorial representation of a family history; a family tree that out-lines the inheritance of characteristics. The symbols commonly used in pedigrees are summarized in Figure 6.1.

 

Pedigree A table/chart recording family history using standard pictorial representation.

PATTERNS OF INHERITANCE IN HUMANS

The human genome is vast and complex and ...

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