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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Genetics, heredity of traits

Introduction

Have you ever wondered why biological siblings look so much alike? Why do they often share physical traits, such as hair color or eye color? It all has to do with their genes. Genes are passed on from parents to their offspring. This means that you share some of the same genes with your biological parents and siblings! In this activity, you will use an alien model to demonstrate how genes or physical traits are passed on from parents to their offspring. How similar will your alien siblings look?

Credits

Svenja Lohner, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

Note: You can also draw the alien babies instead of building them from construction paper, in which case, the construction paper, scissors, tape, and the glue are not necessary.
Materials needed for the activity 'Investigate Alien Genetics'

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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Genetics, heredity of traits
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