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About This Simulation
Investigate the principles of inheritance and help a family determine whether future generations will inherit color blindness.
Learning Objectives
- Explain how traits are passed on from parents to their offspring
- Draw a punnett square
- Compare and predict the phenotypes of offspring with given genotypes using punnett squares
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About This Simulation
Lab Techniques
- Punnett squares
Related Standards
- HS-LS3
- Biology 5.3 Mendelian genetics
- Biology 3.4 Inheritance
Learn More About This Simulation
This short, targeted simulation is adapted from the full-length “Mendelian Inheritance” simulation.
Did you know that more than 99% of your genes are identical to those found in any other human being on the planet? In this simulation, you will learn about color blindness, the principles of inheritance, and how to draw a punnett square. Use punnett squares to predict whether future generations in a family will be color blind. What is your prediction?
Learn the principles of inheritance
Begin by reviewing some of the principles of inheritance. You will learn about how genes are passed on from your parents with cells called gametes. Discover the difference between phenotypes and genotypes. Then find out how a genotype can be represented using letters, and how to show if an allele is dominant or recessive. You are then ready to draw some Punnett squares.
Cross purebred mice and observe their phenotypes
To understand the fundamental laws of inheritance, you will cross purebred mice and see how their genes can influence their fur color. By crossing multiple generations you will learn which fur color is dominant. Draw a punnett square based on what you observed to learn how punnett squares can predict the phenotypes of future generations.
Predict the genotypes in the family
What is valid for the fur color in mice, can also be applied to human color blindness! Draw a punnett square for color blindness within the family so you can predict whether future generations will also be color blind. Will you be able to determine if the patient’s children will inherit his color blindness?
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For Science Programs Providing a Learning Advantage
North Dakota State College of Science
“They did the simulation at home, then completed the in-person lab within 30 minutes, no questions asked, and passed the quiz with flying colors.”
Lecturer in Human Physiology
University of Westminster
"I saw some of the students who clearly didn’t necessarily like sitting there reading a book discover they could turn on Labster and keep up with the rest of the class because it spoke to them.
Modesto City Schools
"Having something that's engaging for the students gives teachers that opportunity to breathe and get excited again. Because they're seeing the kids light up, they're seeing the kids engage with content."
Wenatchee Valley College
"The question always is, ‘Can we demonstrate that the students are meeting course outcomes?’ Check! We can do that.”
San José State University
"We surveyed over 400 students. More than 90% thought Labster was easy to navigate, and that it was fun, but more importantly, most of them felt confident that they could execute the labs in person. And that confidence is a big deal."
FAQs
Find answers to frequently asked questions.
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Labster simulations are created by real scientists and designed with unparalleled interactivity. Unlike point and click competitors, Labster simulations immerse students and encourage mastery through active learning.
Labster supports a wide range of courses at the high school and university level across fields in biology, chemistry and physics. Some simulations mimic lab procedures with high fidelity to train foundational skills, while others are meant to bring theory to life through interactive scenarios.