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Genetics Science Fair Project

Breeding Colored Mice

Breeding Colored Mice | Science Fair Projects | STEM Projects
Ever wondered how mice of different colors can be bred? This science project will show you how to breed mice of different colors and observe the results.


The hypothesis is that the white mouse has the dominant gene.

Method & Materials

You will breed two male black mice and two male white mice with six female black mice and six female white mice. You will observe the color of the newborn mice after 7 days.
You will need two male black mice (30-60 days of age), two male white mice (30-60 days of age), six female black mice (30-60 days of age), six female white mice (30-60 days of age), four cages or wooden boxes for the mice, one bag of food, and newspaper.


The results showed that white male and female mice only produced white colored baby mice. The participation of black color mice, either male or female, resulted in the birth of other mice of other colors, including black, brown, black-white and white mice.

Why do this project?

This science project is interesting and unique because it shows how different colors of mice can be bred and the results observed.

Also Consider

Experiment variations to consider include breeding mice of different color coats and breeding and comparing the eye color of the mice.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related video

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