Inherited traits vs. Learned Behaviors What’s the difference?
Inherited Traits 46 chromosomes (23 pairs) Mom gives baby 23 chromosomes Dad gives baby 23 chromosomes 46 chromosomes (23 pairs)
Inherited Traits Have you ever been told you look like your mom or dad? What makes you look like them?
What traits are inherited? Inherited Traits What traits are inherited? Eye Color Hair Color Straight or Curly Hair Needing Glasses Height
Inherited Traits Earlobes Tongue Rolling
Hair Line Allergies Hand Clasping Dimples Hitchhikers Thumb Inherited Traits Hair Line Allergies Hand Clasping Dimples Hitchhikers Thumb Left or Right Handed
Being red is a DOMINANT trait Inherited Traits Dad Bird Being red is a DOMINANT trait AA
Inherited Traits Mom Bird Being blue is a RECESSIVE trait aa
Inherited Traits Mom and Dad Bird decide to have a baby…will their baby be blue or red?
Punnett Square Aa a
SO…is the baby bird red or blue? Aa Aa Aa Aa Aa a The DOMINANT trait always WINS
Punnett square There is a 4 out of 4 (100%) chance that the baby bird will be red
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
Punnett Square aa a
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
aa AA PUNNETT SQUARE Mom Dad Having blue eyes is a RECESSIVE trait Having brown eyes is a DOMINANT trait AA
Punnett Square Aa a
Will their baby have blue or brown eyes? Aa a 100% chance the baby will have brown eyes
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
Punnett Square AA Aa aa
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
Learned Behaviors Behaviors that are taught through experiences or watching others You have to LEARN how to do the behavior
Learned Behaviors Playing Soccer Reading Talking Tying your shoe
Learned Behaviors What other learned traits can you think of?