Practice Inheritance Of Two Genes (4.3) - Principles of Inheritance and Variation
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Inheritance of Two Genes

Practice - Inheritance of Two Genes

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a dihybrid cross?

💡 Hint: Think of traits like seed color and shape.

Question 2 Easy

Explain what it means for a trait to be dominant.

💡 Hint: What trait might not show if a dominant trait is present?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Mendel's law of independent assortment imply?

Traits are blended
Traits are inherited dependently
Traits assort independently

💡 Hint: Think about how traits can combine from two parents.

Question 2

True or False: A trait can be recessive and still appear in the phenotype of an organism.

True
False

💡 Hint: Think about when a trait is masked.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A plant with unknown genotype, either TT or Tt, is crossed with a tt plant. What will be the expected genotypic and phenotypic ratios in the offspring?

💡 Hint: Consider both scenarios to find out the outputs.

Challenge 2 Hard

In a certain dihybrid cross, a RrYy plant is crossed with a RrYy plant. What is the probability of obtaining a homozygous round and yellow seed?

💡 Hint: Look for combinations of R from both parents.

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