Lecture%201_10_stripped-1

Lecture%201_10_stripped-1 - Course Info The exam will cover...

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Unformatted text preview: Course Info The exam will cover material from the lectures. The book provides more detailed explanations of lecture material touched on in the exam. However, topics in the book that are not in discussed in the lectures will not be on the exam. Feel free to interrupt and ask questions. Feel free to email me with questions. I dont have specific office hours. If you would like to see me, call or email me for an appointment. There will be three sets of practice exam questions. Do them. Extensive lecture notes will be provided on the web page before each lecture. Joe Dent, N4/7 Stewart Biology, 398-3724, joseph.dent@mcgill.ca Heredity The Mystery of Heredity All organisms come from other organisms All organisms resemble their parents Siblings are not identical Parents Share Ancient Greeks figured that males and females must share some essence that mixes to produce the progeny. But what might that essence be? Cell Theory All organisms consist of cells. Cells divide to produce new cells. Higher organisms fuse their cells (sperm & egg, pollen & egg) to produce a new organism. Cells make more cells by dividing and growing Mother Cell Dividing Cell Daughter Cell A Daughter Cell B Dividing cells devote a lot of resources to segregating their chromosomes Chromosomes Chromosome - a single string of DNA Come in two flavors: Circular (bacteria) Linear (most other organisms) Why can we see chromosomes ?Why can we see chromosomes ?...
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This note was uploaded on 08/21/2010 for the course BIOLOGY biol 112 taught by Professor Dent during the Winter '09 term at McGill.

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Lecture%201_10_stripped-1 - Course Info The exam will cover...

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