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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a gene?
💡 Hint: Think about DNA and what it tells cells to do.
Question 2
Easy
Define dominant trait.
💡 Hint: Which trait shows up even if there's only one copy?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What determines whether a trait is dominant or recessive?
- The amount of the gene
- How it interacts with other alleles
- Its environmental effects
💡 Hint: Think about how traits show up in crosses.
Question 2
True or False: All traits are inherited in a straightforward manner without any modifications.
- True
- False
💡 Hint: Consider what can happen in real-life scenarios. ## Challenge Problems 1. **Problem**: A plant has the genotype of Tt (tall) and is crossed with another Tt plant. What phenotypic ratio will you expect in the offspring? - **Solution**: You would expect a phenotypic ratio of 3 tall: 1 short offspring due to the combinations of TT, Tt, Tt, and tt. - **Hint**: Remember, dominant traits show even when paired with recessive traits. 2. **Problem**: Discuss how environmental factors might alter the expression of a genetic trait. - **Solution**: Environmental factors such as soil quality, water availability, and sunlight can influence plant height by affecting hormone production, which in turn can modulate gene expression. - **Hint**: Think about interactions that affect growth in plants. ---
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A plant has the genotype of Tt (tall) and is crossed with another Tt plant. What phenotypic ratio will you expect in the offspring?
💡 Hint: Remember, dominant traits show even when paired with recessive traits.
Question 2
Discuss how environmental factors might alter the expression of a genetic trait.
💡 Hint: Think about interactions that affect growth in plants. ---
Challenge and get performance evaluation