Please…. Take out your READER’S NOTEBOOK. On your label write: READING First and Last name Homeroom
9-4-14 Nature Vs. Nurture
Any idea what this is?
DNA DNA: something we have in every cell of our bodies and which is unique to each individual Double Helix
DNA: a molecule that is like an “instruction manual” for life
microscopic
Microscopic: very, very small So small that you would need a microscope for viewing purposes.
Even though DNA is microscopic, it has a huge influence over who we are.
“What makes us who we are?” New Unit! “What makes us who we are?”
What comes to your mind when you hear the word…. genetic or genetics genes
genetic disease or genetic mutation How about….. genetic disease or genetic mutation
Traits Genetic traits are characteristics passed from parent to child.
Example EYE COLOR
THUMBS UP!
Some people’s thumbs bend back to a 45 degree angle Some people’s thumbs bend back to a 45 degree angle. This is called hitchhiker’s thumb. This is an inherited trait. -a trait received from one’s parents
If both parents have straight thumbs, what kind of thumb is the child likely to have?
If both parents have hitchhiker’s thumbs, what kind of thumb is the child likely to have?
If one parent has a hitchhiker’s thumb and the other parent has a straight thumb, what type of thumb is the child likely to have?
Straight Thumb! Straight thumb is the dominant gene Hitchhiker’s thumb is the recessive gene.
What other traits could children inherit from their parents?
Possible Answers Hair color Skin color Eye color Body type Shape of face Athletic ability Artistic talent Musical ability Predisposition to certain diseases
It is interesting that even though no two people are exactly alike…. ….99.9% of our DNA is identical to everyone else’s!
ENVIORNMENT Our environment also makes us who we are.
ENVIORNMENT includes… Home School Neighborhood City Country How people treat you
People have disagreed for years over which is more important – the genes we inherit from our parents or the environment in which we grow up. WHAT DO YOU THINK?
In your Reader’s Journal…. What do you think makes you who you are? (paragraph format)
Talk with a partner On your post-it, write down one or two things that “make us who we are”.
Group Time Nature/Genetics Nurture/Environment Combination of both
What did you decide on? Nature/Genetics Nurture/Environment Combination of both
Word Wall Microscopic Inheritance DNA Genetics Gene Trait Nature Nurture
Homework Bring class supplies. Turn in Student/Parent Info form Notebook Folder Pen/pencil USB Post-its Notecards Kleenex for Extra Credit Turn in Student/Parent Info form Email Ms. Gelz by Monday
Put away all reading materials. Come post your post-it!