Practice Pedigree Analysis (4.8.1) - Principles of Inheritance and Variation

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6 sample questions

Question 1.
What is pedigree analysis?
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Think about how family trees visualize traits.
Question 2.
What shapes represent males and females in a pedigree?
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Consider the basic symbols in graphs.
3Question 3.
What does a filled square indicate in a pedigree chart?
- Male without trait
- Male with trait
- Female without trait
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Think about what the filling represents.
4Question 4.
Pedigree analysis cannot be used in which of the following situations?
- True
- False
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Consider the versatility of pedigree analysis.
Question 5.
Given a pedigree chart, determine the probability that a child will inherit a recessive trait if both parents are carriers.
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Consider the ratio of heterozygous to homozygous traits.
Question 6.
Analyze the implications of autosomal recessive and X-linked traits portrayed in a pedigree, and explain the expected outcomes in future generations.
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Look for patterns in how traits pass through genders.

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