Download Complex Inheritence/Human Genetics Study Guide (Chapter

Complex Inheritence/Human Genetics Study Guide (Chapter 12)
Understand the following modes of inheritance, and examples of each:
1) Incomplete dominance
2) Codominance
3) Simple Recessive Inheritance
4) Simple Dominant Inheritance
5) X-linked traits
6) Multiple alleles
7) Polygenic Inheritance
*Know how to complete Punnett squares and determine probabilities for
#1-#5.
 What diseases have both genetic and environmental factors that can
cause them? What are the environmental factors?
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Expect problems concerning: snapdragons, blood types, Fruit Fly eye
color, or any of the following diseases/conditions:
1) Hemophilia (A.K.A. Royal Hemophilia)
2) Cystic Fibrosis
3) Huntington’s Disease
4) Color Blindness
5) Sickle Cell Anemia
6) Down’s Syndrome
*Know the basic symptoms and modes of inheritance for all of the above
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What is nondisjunction? How is this related to Trisomy 21 (A.K.A.
Down’s Syndrome)?
Why is the trait for Sickle Cell so prevalent in African Americans?
What is the link between Sickle Cell and Malaria?
Which disease can be recognized by a karyotype?
What is a pedigree? Be able to interpret a pedigree, including:
1) Male/Female, relationships of individuals using the Roman Numeral
and number
2) Predict genotypes of individuals
3) Predict the mode of inheritance
4) Predict the probability of offspring genotypes