Practice - Genetics – The Blueprint of Life
Practice Questions
Test your understanding with targeted questions
What does the Law of Segregation state?
💡 Hint: Think about how traits are passed from parents to offspring.
Define the term 'alleles'.
💡 Hint: Recall examples like tallness and shortness in pea plants.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Law of Independent Assortment state?
💡 Hint: Remember how traits can separate in different combinations.
True or False: In a monohybrid cross, the phenotypic ratio is typically 3:1.
💡 Hint: Think back to Mendel’s pea plants.
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Challenge Problems
Push your limits with advanced challenges
In a population of pea plants, a pure-breeding tall plant (TT) is crossed with a pure-breeding short plant (tt). If the first filial (F1) generation is self-pollinated, calculate the genotypic and phenotypic ratios of the F2 generation.
💡 Hint: Use a Punnett square to analyze the crosses.
Consider a genetic condition caused by a recessive allele. A carrier (heterozygous) person marries a normal individual. If they have four children, what is the probability that at least one of the children will be affected by the condition?
💡 Hint: Calculate the complement of the probability of all children being unaffected.
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Reference links
Supplementary resources to enhance your learning experience.
- Gregor Mendel and the Pea Plants
- Mendel's Laws of Inheritance - Khan Academy
- Single Gene Disorders in Humans
- Gene Interaction and Epistasis Explained
- DNA and Genetics - National Human Genome Research Institute
- How to Make and Use a Punnett Square
- Inheritance Patterns and Human Disease
- What is Epistasis?