Double Take

Prepare to enter the world of nonfiction!

What’s the difference? Fiction Nonfiction

What’s the difference? Fiction Nonfiction -Made up - real -stories -explanations and descriptions of things in the world -Structure: one event after another -Structure: things are explained, described, compared, contrasted -can explain causes and effect or problems and solutions

Nonfiction Nonfiction can also be STORIES! Nonfiction includes…. NARRATIVES BIOGRAPHIES TRUE STORIES about REAL PEOPLE

What do you think is easier to read? Let’s VOTE What do you think is easier to read? FICTION or NONFICTION

NONFICTION can be tricky. TOO MANY unfamiliar words can be a problem when reading nonfiction texts.

But don’t worry! Authors who are writing nonfiction texts for a general audience (that’s you) usually define those unfamiliar terms. Sometimes an explanation of the term will be written into the text. Other times you will infer the meaning.

Remember this? Nature/Genetics Nurture/Environment Combination of both

Today’s article! Read about how much of who we are is determined by our genetics and how much is determined by culture, environment, and our own choices. https://www.brainpop.com/health/geneticsgrowthanddevelopment/genetics/ Stop at 1:25

Twin: siblings who share the same birthday Sibling: brother or sister

As you read… Identical Twins Fraternal Twins Develop from ____________________________ They look very _____________ Always the same ______________ Have the ______________ genes from their parents Have a _______% chance of developing the same illness Develop from _______________________________ Can be the same or different ____________ More like regular ____________ than “twins” Have _____________genes from their parents

As you read… Identical Twins Fraternal Twins

Check for Understanding Why do scientists study twins? What is DNA and how many chromosomes do people have. (Hint: How many sets are there?) The University of Minnesota study also tracks “virtual twins.” What are these? List two things scientists have learned from studying twins.

Homework 302 The University of Minnesota study also tracks “virtual twins.” What are these?

Homework 301 The University of Minnesota study also tracks “virtual twins.” What are these? List two things scientists have learned from studying twins. If you never sent that email to Ms. Gelz about your favorite book…you received a circle. Send it tonight….or else… I responded to you have already sent it.

Be the scientist! Develop your own twin study! Where would you have each twin live? How long would they need to be separated? What would you be studying? How would you gather information?

Twin Study Example I would place one twin in Chicago and one in a village in Africa where they do not have running water. They would be separated from birth until age 14. I would study how quickly they loose their baby teeth. I would record the date each time one lost a tooth. I would see if the age your teeth come out is genetic or if your environment plays a role.

Key Words identical twin fraternal twin chromosome

Homework 302, 303, 304 Finish the “Check for Understanding” questions. Design your own twin study.

Homework 300, 301 Twins Separated at Birth Reveal Staggering Influence of Genetics: http://www.livescience.com/47288-twin-study-importance-of-genetics.html Read the article. List at least 3 findings about twins.