Practice Chromosomes and Genes - 1.2 | Genetics & Heredity | IB MYP Grade 8 Biology
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Chromosomes and Genes

1.2 - Chromosomes and Genes

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the total number of chromosomes in humans?

💡 Hint: Think about how many pairs there are.

Question 2 Easy

What does a gene code for?

💡 Hint: What are proteins responsible for?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

How many pairs of chromosomes do humans have?

22
23
24

💡 Hint: Think about the standard count in human genetics.

Question 2

Genes are responsible for coding what?

True
False

💡 Hint: Will you link genes to specific functions?

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If two parents both have brown eyes (with genotypes BB and Bb), what is the probability of their child having blue eyes (bb)?

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

Challenge 2 Hard

Discuss the implications of polygenic inheritance on predicting traits like height in a population.

💡 Hint: Consider how many factors affect the outcome.

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Reference links

Supplementary resources to enhance your learning experience.