1. Activity 59
Gene Combo

2. Activity 59: Gene Combo White Space ?:
What does it mean when you say you have a 50/50 chance? A 1 in 4 chance?
When you flip a coin, does the coin remember what you just had or do your chances start again?
Challenge Question:
How can tossing coins help you understand how organisms inherit information from their parents?
Background: Read page D-30.
Vocabulary:
Dominant Trait: the trait that is the stronger of the two genes given from the parents. It will also be the trait visibly seen.
Recessive Trait: The trait that is the weaker of the two. Will only appear if there are NO dominant traits.

3. Activity 59: Gene Combo Coin Tossing Model
Outcome of coin toss = Trait given by parent-each critter receives one trait from each parent.
Heads=Blue Tail
Tails=Orange Tail
Critters of Generation 3.
Blue tail is dominant to orange. If the critter has one blue gene, the tail will be blue. This is true for boys and girls. Gender does not matter!
To have an orange tail, there must NOT be any blue genes.
Capital B = Blue Tail
Lowercase b = Orange Tail

4. Activity 59: Gene Combo
Materials: Read over the list on p D-31
Procedure: Read p D-31 to D-32 and check off if you understand.
Data: All data need to be recorded on “Gene Combo Results” worksheet.

5. Activity 59: Gene Combo
Analysis Questions: Answer questions #1-5 on page D-32-D-33 in your lab notebook. Be sure to do ALL parts of the questions in COMPLETE SENTENCES!!! Conclusion: How did using the coins model show how you inherit your genes from your parents? 3-4 sentences Notes to Self: Be sure to have colored pencils with you EVERYDAY!