Pedigrees

Pedigrees

by Hannah Freeman

​Essential Question

​•How can we analyze and track genetic disorders or traits from generation to generation?

​What is a pedigree?

A diagram that shows a pattern of inheritance in a family for a specific trait (phenotypes & genotypes)

–Genotypes can usually be determined from looking at them

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•Why would we want to use a pedigree in genetics?

•Track the occurrence of diseases

uria – missing enzyme causes problems in CNS (Nordic/Swedish)

​Symbols Used on Pedigrees