1. Genetics
January 14, 2014
Lesson 2

2. NGSS LS1.A: Structure and Function
All cells contain genetic information in the form of DNA molecules. Genes are regions in the DNA that contain the instructions that code for the formation of proteins.

3. NGSS LS3.A: Inheritance of Traits
Each chromosome consists of a single very long DNA molecule, and each gene on the chromosome is a particular segment of that DNA. The instructions for forming species’ characteristics are carried in DNA. All cells in an organism have the same genetic content, but the genes used (expressed) by the cell may be regulated in different ways. Not all DNA codes for a protein; some segments of DNA are involved in regulatory or structural functions, and some have no as-yet known function.

4. DNA Replication Animation

5. New Vocabulary Stem Cell Surface Receptor Hormone Docking Signal CSF
Double helix
Strand
Molecules
Nanometer
Nuclear Pore
Equator Position
Daughter Cells
Microtubules
Interface
Tension
Kinetochore
Kinesins
Dynein

6. Key Questions When does DNA replicate? Why does DNA replicate?
How does the structure of DNA affect the way it is replicated?
What is DNA?
What does it code for?
How does the code work?

7. Your Mission: Continued!
Construct a model of DNA replication
Must include all underlined vocabulary
Model ideas:
Poster
Essay
Creative story
Short play (to be filmed)
Animated (stop-motion, comic, other?)