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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 Heig
ht
PUNNETT SQUARE
Mom Dog
Having spots is a DOMINANT
trait
Aa
Dad Dog
NOT having spots is a RECESSIVE trait
aa
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 RECESSIV
E 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
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
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