Do Now 1. How are traits and heredity connected together? 2. What is a person’s genome and how is it connected to our DNA? 3. What’s the difference between dominant and recessive genes?

Announcements GU lost on Saturday to Butler… At the buzzer… by 1 ◦ I do believe I called this, only in reverse… ◦ Now ranked #10 ◦ It’s okay. We play BYU on Thursday. ◦ Speaking of Thursday, tomorrow is National Gonzaga Day Quiz on Friday Science fair projects due today.

Agenda Reviewing procedures Fast facts Reintroducing ourselves to genetics ◦ Let’s be real: we MIGHT have forgotten SOME of what we WERE learning. Begin homework if time

Reviewing procedures File folders in the back of the room Homework

File Folders Lots of you lose your stuff. Every class has its own bin. Inside that bin, is a file folder for each student in the class. ◦ This is where you’ll store stuff that we’ll need for class at another time. ◦ If you want to put your notebook back there, you are welcome too. In the back of the bin, is a folder with a packet of paper and 18 pencils. ◦ When the paper and pencils are gone, you are out for the month.

Homework No more homework packets weekly. ◦ You’ll still be assigned homework over the weekend. You’ll be looking at about two-three homework assignments a week. I’m only accepting late work a week after it has been assigned. ◦ This work will need to go into the file folder entitled “LATE WORK”

Questions?

Fast Facts Around the room there is butcher paper. When you get your marker, you may go find a place along the wall.

As many times as you can…. Adenine pairs with Thymine.

As many times as you can…. Cytosine pairs with Guanine.

Complete the complimentary strands. 1. A T A A C G T G A T T G G 2. G C A T T A C G G A A T T 3. A T A T A T G C G G C T T 4. T A T C A T T A G G C G A 5. C G A T T G G A C C C T T

Take your seats please!

History of DNA We haven’t really talked yet about where this all originated from. ◦ Annnnddd, it’s sorta on your test on Friday. So we’re going to begin by watching a short video clip. As you watch, write down the different names of the people involved. With the discovery of DNA. AFBs8 AFBs8

We did not know much about DNA until Rosalin Franklin took an x-ray picture inside the cell nucleus:

Scientists James Watson and Francis Crick made the double-helix model of DNA that explained how DNA could work.

The number of chromosomes that each species has is different. Humans have 46 chromosomes. Flies have 8 chromosomes.

Where is our DNA located? NOMRRm8&feature=player_embedded NOMRRm8&feature=player_embedded