Practice Genetic Disorders (4.8) - Principles of Inheritance and Variation

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8 questions

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6 sample questions

Question 1.
Define genetic disorder.
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Think about the role of genes in health.
Question 2.
What is pedigree analysis?
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Consider how family trees can display traits.
3Question 3.
What type of genetic disorder is caused by a mutation in a single gene?
- Mendelian Disorders
- Chromosomal Disorders
- Polygenic Disorders
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Think about genetic inheritance patterns.
4Question 4.
True or False: Down syndrome is a Mendelian disorder.
- True
- False
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Consider the cause of Down syndrome.
Question 5.
A family has a history of cystic fibrosis (recessive disorder). If both parents are carriers, what is the probability that their child will have the disorder?
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Use a Punnett square for the cross Cc x Cc.
Question 6.
Analyze a pedigree chart showing five generations where a dominant trait appears. What can you infer about the trait’s inheritance pattern?
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Look for patterns in affected and unaffected individuals.

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