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Unit 3

Unit 3:  Genetics, Molecular Biology and Biotechnology

Notes About Unit 3

Most students really enjoy this unit - it's the core of modern biology.  Here we will explore the nature of heredity, molecular biology and biotechnology.  But first, we begin with some very interesting history and discoveries that changed the world forever. 

Unit 3 Helpful Stuff

Helpful Hints:  Solving Genetics Problems

Patterns of Inheritance
Chapter 8


Molecular Biology
Chapter 9

These are the original papers!
(not required but really cool to see)

Watson and Crick 1
File Size: 280 kb
File Type: pdf
Download File

Hershey and Chase
File Size: 1094 kb
File Type: pdf
Download File

Watson and Crick 2
File Size: 1149 kb
File Type: pdf
Download File

Avery Macleod McCarty.pdf
File Size: 1343 kb
File Type: pdf
Download File

Franklin and DNA Structure
File Size: 1224 kb
File Type: pdf
Download File

Amino Acid Structures and the Dictionary of Life
(you'll need to use these for Assignment 3)

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Structures of amino acids found in humans (click image to enlarge.)
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Genetic Code: How RNA codes for amino acids (click image to enlarge)

This video clip has some good analogies to help you understand the general idea of differential gene expression - how and why cells translate some genes but not others. 

Video clip introducing Transcription and Translation
(And she uses the word 'festooned.'  Bonus.)


Biotechnology
Chapter 10

2015 Breakthrough of the Year:  CRISPR-Cas9


Unit 3 Extras
Computer Animations and Scenes from a Lab

Transcription Animation

Scenes from a Lab:  Polymerase Chain Reaction (PCR)

Meselson Stahl Experiment Animation

Translation Animation

Scenes from a Lab:  Gel Electrophoresis

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