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Pedigrees.

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Presentation on theme: "Pedigrees."— Presentation transcript:

1 Pedigrees

2 Pedigrees are used to: Determine whether a trait is inherited
Show how a ______ is passed from one generation to the next To determine if an allele is _______or recessive

3 Symbols: Female ______

4 Connecting Symbols: Married Couple _________

5 Generations I ____

6 Symbols: _____ Carrier _______

7 Sex-linked: Sex-linked issues…
Are caused by genes located on ___ or ___ chromosome More common in _____since they have only 1 X chromosome; females more often carriers Female must have 2 _________genes for trait to occur

8 Karyotypes To look for __________(chromosomes fail to separate) or other genetic disorders

9 Karyotypes To look for __________(chromosomes fail to separate) or other genetic disorders

10 Accessing Genetic Disorders
Analyzing___________ Genetic counseling _________testing


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