INHERITED TRAITSVS.

LEARNED BEHAVIORS

What’s the difference?

INHERITED TRAITS

Dad gives baby 23 chromosomes

Mom 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?

INHERITED TRAITS

�What traits are inherited?Eye Color

Hair Color

Straight or

Curly Hair

Needing Glasses Height

INHERITED TRAITS

Earlobes

Tongue Rolling

INHERITED TRAITS

Hair Line

DimplesHitchhikers Thumb

Hand Clasping

Left or Right Handed

Allergies

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

a

Aa

SO…IS THE BABY BIRD RED OR BLUE?

a

AaAa Aa

Aa AaThe DOMINANT trait always WINS

PUNNETT SQUARE

� There is a 4 out of 4 (100%) chance that the baby bird will be red

PUNNETT SQUARE

Mom Dog

Having spots is a DOMINANT trait

Aa

Dad Dog

NOT having spots is a RECESSIVE trait

aa

PUNNETT SQUARE

aaa

WILL THEIR PUPPY HAVE SPOTS OR NOT?

aaa

50% chance the puppy will have spots

Having spots is a

DOMINANT trait

NOT having

spots is a RECESSIVE

trait

50% chance the puppy will NOT have spots

PUNNETT SQUARE

Dad

Having brown eyes is a DOMINANT trait

AA

Mom

Having blue eyes is a RECESSIVE trait

aa

PUNNETT SQUARE

aAa

WILL THEIR BABY HAVE BLUE OR BROWN EYES?

aAa

100% chance the baby will have brown eyes

PUNNETT SQUARE

Dad

Having brown hair is a DOMINANT trait

Aa

Mom

Having brown hair is a DOMINANT trait

Aa

Having blonde hair is a RECESSIVE trait

aa

PUNNETT SQUARE

Aa

AA

aa

WILL THEIR BABY HAVE BROWN OR BLONDE HAIR?

Aa

AA

aa75% 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

TalkingTying your shoe

LEARNED BEHAVIORS

� What other learned traits can you think of?