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Pedigree Charts The family tree of genetics
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Pedigree? ,[object Object],[object Object]
Constructing a Pedigree ,[object Object],[object Object]
Connecting Pedigree Symbols ,[object Object],[object Object],Examples of connected symbols:
Connecting Pedigree Symbols ,[object Object],[object Object],Examples of connected symbols:
Example ,[object Object]
Symbols in a Pedigree Chart ,[object Object],[object Object],[object Object],[object Object]
Interpreting a Pedigree Chart ,[object Object],[object Object],[object Object]
Example of Pedigree Charts ,[object Object]
Answer ,[object Object]
Interpreting a Pedigree Chart ,[object Object],[object Object],[object Object]
Example of Pedigree Charts ,[object Object]
Answer ,[object Object]
Example of Pedigree Charts ,[object Object]
Answer ,[object Object]
Summary ,[object Object],[object Object],[object Object]

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Pedigree Charts: Understanding Genetic Family Histories

  • 1. Pedigree Charts The family tree of genetics
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Editor's Notes

  1. A quick refresher for the teacher on important terms: Autosomal gene- a gene found on any chromosome except for the sex chromosome. These are chromosomes numbered 1-22. X-linked gene- a gene found on a chromosome designated as a sex chromosome (X or Y). Dominant- Refers to an allele that is expressed phenotypically and masks any recessive counterpart. Recessive- An allele that is not phenotypically expressed when its counterpart is dominant.