Practice Law of Dominance - 1.2.3.1 | 1. Basic Biology | ICSE Class 10 Biology
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Law of Dominance

1.2.3.1 - Law of Dominance

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Practice Questions

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Question 1 Easy

What does it mean if a plant is heterozygous for a trait?

💡 Hint: Consider how alleles can differ.

Question 2 Easy

What phenotype will a TT plant exhibit?

💡 Hint: Think about the importance of the T allele.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the Law of Dominance?

A law stating recessive traits are always expressed.
A principle that states dominant alleles mask recessive ones.
A rule about polygenic traits.

💡 Hint: Remember the pattern of alleles in Mendel's experiments.

Question 2

True or False: In a heterozygous genotype, the recessive allele will always be expressed.

True
False

💡 Hint: Think about which allele shows up in dominant versus recessive situations.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A plant with genotype Rr is crossed with rr. What will the possible phenotypes and their ratios be in the offspring?

💡 Hint: Use a Punnett square to visualize the crosses.

Challenge 2 Hard

Two pea plants, both heterozygous (Tt), are crossed. What is the probability of producing a dwarf plant?

💡 Hint: Draw a Punnett square to see all possible outcomes clearly.

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