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Mendelian Inheritance: From genes to traits Virtual Lab

Investigate the principles of Mendelian inheritance and help a patient determine if his future children will inherit his color-blindness.

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Mendelian Inheritance: From genes to traits

About this 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 how Mendel's postulates can be applied to determine how characteristics are inherited by being passed from one generation to the next.

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. Can you figure out which fur color is dominant?

Experience inheritance at the cellular level

Dive deeper into the laws of inheritance as you watch how cells divide to become gametes inside the reproductive system. By unraveling the laws of X-linked inheritance, discover why color blindness affects more men than women.

Predict the genotypes in the patient's family

Explore Punnett Squares and Pedigree trees to predict the genetic makeup of a family. What is valid for the fur color in mice, can also be applied to human color blindness! Will you be able to determine if the patient's children will inherit his color blindness?

Learning Objectives

At the end of this simulation, you will be able to:

  • Explain how traits are passed on from parents to their offspring and what causes variation between siblings

  • Describe Mendel’s Laws of Inheritance as they are associated with colorblindness

  • Compare and predict the phenotypes of offspring with given genotypes using Punnett squares

  • Analyze dominant and recessive alleles, and how they play a part in an individual’s biological make-up

Techniques in Lab

At the end of this simulation, you will be able to:

  • Punnett squares
  • Pedigree trees
  • Breeding mice

Explore:

Mendelian Inheritance: From genes to traits

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