Use Foil Stars to Show What Genes Do! 

 Your Task: Predict what the offspring will be like in a cross of two organisms.
 Directions: Choose symbols to represent the genes. Fill in the stars at the top marked Dominant and Recessive. They should be differently colored stars.  
Pick characteristics such as Tall / not tall  or  Red / not red.
Fill in the appearance of the parent row and the genes that they carry.
Now figure out what the children will be like.   Have fun!
chromosome Exercise

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© Elizabeth Anne Viau, 1999. This material may be used freely for instructional purposes but not sold for a price beyond the cost of reproduction. Please inform the author if you use it at