1. Inherited traits vs. Learned Behaviors
What’s the difference?

2. Inherited Traits 46 chromosomes (23 pairs)
Mom gives baby 23 chromosomes
Dad gives baby 23 chromosomes
46 chromosomes
(23 pairs)

3. Inherited Traits
Have you ever been told you look like your mom or dad?
What makes you look like them?

4. What traits are inherited?
Inherited Traits
What traits are inherited?
Eye Color
Hair Color
Straight or
Curly Hair
Needing Glasses
Height

5. Inherited Traits
Earlobes
Tongue Rolling

6. Hair Line Allergies Hand Clasping Dimples Hitchhikers Thumb
Inherited Traits
Hair Line
Allergies
Hand Clasping
Dimples
Hitchhikers Thumb
Left or Right Handed

7. Being red is a DOMINANT trait
Inherited Traits
Dad Bird
Being red is a DOMINANT trait AA

8. Inherited Traits
Mom Bird
Being blue is a
RECESSIVE trait aa

9. Inherited Traits
Mom and Dad Bird decide to have a baby…will their baby be blue or red?

10. Punnett Square Aa a

11. SO…is the baby bird red or blue?Aa Aa Aa Aa Aa a
The DOMINANT trait always WINS

12. Punnett square
There is a 4 out of 4 (100%) chance that the baby bird will be red

13. aa Aa PUNNETT SQUARE Dad Dog Mom Dog
NOT having spots is a RECESSIVE trait aa
Mom Dog
Having spots is a DOMINANT trait Aa

14. Punnett Square aa a

15. will their puppy have spots or not?
50% chance the puppy will have spots
50% chance the puppy will NOT have spots aa
Having spots is a DOMINANT trait a
NOT having spots is a RECESSIVE trait

16. aa AA PUNNETT SQUARE Mom Dad Having blue eyes is a RECESSIVE trait
Having brown eyes is a DOMINANT trait AA

17. Punnett Square Aa a

18. Will their baby have blue or brown eyes?Aa a
100% chance the baby will have brown eyes

19. Aa Aa aa PUNNETT SQUARE Dad Mom Having brown hair is a DOMINANT trait
Having blonde hair is a RECESSIVE trait aa
PUNNETT SQUARE
Dad
Having brown hair is a DOMINANT trait Aa
Mom
Having brown hair is a DOMINANT trait Aa

20. Punnett Square AA Aa aa

21. Will their baby have brown or blonde hair?AA Aa aa
75% chance the baby will have brown hair
25% chance the baby will have blonde hair

22. Learned Behaviors
Behaviors that are taught through experiences or watching others
You have to LEARN how to do the behavior

23. Learned Behaviors
Playing Soccer
Reading
Talking
Tying your shoe

24. Learned Behaviors
What other learned traits can you think of?