Tentative Syllabus – The Theory and Practice of Science – Biology

Biology C1002y          Spring 2002

 

Instructors:  Lawrence Amsel and Avital Pilpel

 

Class Time:  Mon, Wed 5:40-6:55 PM

Class Location:  307 Pupin

 

Recitation Hours:  TBA

Office Hours:  TBA

 

GOALS, METHODS and CONTENT

 

This Course is intended to give the participants the intellectual experience of doing science, in so far as this is possible without doing experimental work.  This experience will be organized around the critical reading of original scientific papers spanning a century of biology. 

 

You will be asked to read these papers in a way that a working scientist reads original research. That is, with an eye to understanding how this research, grounded in a particular set (or sets) of assumptions, manages to move the field forward, and thereby influences what direction the next experiment must take. 

 

For most non-scientists, reading a scientific paper in this way involves new skills, and practice at applying those skills.  As an aid to this process we will introduce some (not a lot!) mathematical language and technique at the start of the course.  However, the key skill acquisition will be one of learning how to pose and solve the many scientific problems that are incorporated into the design of any original research article.

 

In this course we will read scientific articles on a variety of topics.  These include genetics – especially (but not exclusively) the discovery of the role and properties of DNA;  the regulation of gene expression in the cell; neuroscience, in particular the neurological basis of learning; and medical, ethical and social implications of the modern advances in genetics.  As said above, we shall also discuss the mathematical way of thought – especially statistical reasoning - that is required to understand the other articles.

 

The didactic approach needed to accomplish these goals will involve a combination of lectures, active class participation, and individual time spent solving problems posed by (or related to) the readings.  Our discussion will aim to develop the conceptual apparatus that allows us to analyze these papers on multiple levels.  Some of you will be more fluent in the analysis of narrative (from humanities courses).  Others will know more science.  We will therefore adjust the discussion as we go.  For most of the papers (there are exceptions) the sequence will involve:  a background lecture to make it possible for non-specialists to critically read the article, followed by an intensive and structure class discussion about the article, and lastly reinforced by an assigned problem set involving the science in the article.

 

This course differs from the usual science-for-non-scientists courses in that it is not a survey course covering what is known in a particular field.  In that sense (and only in that sense) much of what we do will be “outdated”.  It differs from courses on the history and philosophy of science in that we want this to be a science course and not a course about science or about scientists or even about the scientific method in general.  It differs from most introductory biology courses for science majors assume both a past and a future in other scientific courses, and therefore do not focus on the critical skill acquisition discussed above.

 

 

FULFILLING THE SCIENCE REQUIREMENT

 

This course fulfils one term of the science requirement for both CC and GS.  If you want to take a one year sequence in biology (for CC), you should take this course and Science C1015X.  The two terms might be taken in either order.  Certain other combinations that include this course may be acceptable for CC, and are definitely acceptable to GS – if in doubt, ask the Dean’s office, your academic advisor, or the catalog. 

 

If you are planning to major in science or mathematics (or have 5 units AP biology) this course is probably not for you, but you can consult your advisor if still interested.  On the other hand, if you are interested in learning real biology (as opposed to learning “about” biology) but don’t have much science background, this is the course you are looking for.

 

 

GRADES

 

This is a discussion class.  Your grade will be derived from two midterms, a final, a short (1500-2000 word) essay and presentation during recitation, problem sets, class participation, and a short (five-minute) quiz done at the beginning of each class.

 

 

REQUIRED READING

 

Watson, J.  The Double Helix (Norton Critical Edition)

 

Ridley, M.  Genome:  The Autobiography of a Species in 23 Chapters (Perennial)

 

Berger and Starbird.  The Heart of Mathematics.

 

Reading packet.

 

“The Double Helix” and “The Heart of Mathematics” are available at Labyrinth bookstore, 112th St. between Broadway and Amsterdam Ave.  The Reading packet is available in The Village Copier, 115th St. and Broadway.  “Genome” is available in most large bookstores (for those who do not have it from last semester).

 

 

RECOMMENDED READING

 

You might want occasionally to consult a biology or statistics textbook.  The texts below are recommended, but many other biology or statistics textbooks could serve as well.  In case of doubt, see the instructors.  Good general biology textbooks books include those by Mader, Cambell, Gould & Singer, and others.  They are on reserve in the biology library.

 

Gould and Keeton, Biological Science, Vol. 1

 

http://www.stat.berkeley.edu/~stark/SticiGui/Text/ch1.htm

 

(Similarly for other chapters in this electronic statistics textbook – e.g. ending with /ch2.htm, /ch3.htm, etc.)

 

Gonick and Smith, The Cartoon Guide to Statistics.  Harper Collins.

 

 

SCHEDULE

 

Lecture # Date Topic Required Reading

1

Wed. 1/23 Introduction:  Reasoning in Science “Heart of Mathematics”, Ch. 1; Printed outcome of chance experiments (in reading packet).

2

Mon. 1/28 Mendel I:  Choosing an Experimental System – the Pea Plant Mendel, “Elements in Plant Hybridization” (in Reading Packet)

3

Wed 1/30 Mendel II: Dominant and Recessive Traits Mendel (continued)

4

Mon. 2/4 Mendel III:  Stability and Variability of Trait Mendel (continued)

5

Wed. 2/6 Statistics I: Origins of Probability “Heart of Mathematics”, Ch. 7

6

Mon. 2/11 Statistics II:  Probabilistic vs. Deterministic Reasoning – the Importance of Populations “Heart of Mathematics”, Ch. 7 (continued)

7

Wed. 2/13 Statistics III:  Mean, Variance, and all that “Heart of Mathematics”, Ch. 7 (continued)

8

Mon. 2/18 Statistics IV:  Binomial and Normal Distributions “Hear of Mathematics”, Ch. 7 (continued)

9

Wed. 2/20 Review for 1st Exam None

10

Mon. 2/25 Weismann:  The Chromosome and its Fate Weismann, “The Germ-Plasm:  A Theory of Heredity” (in Reading Packet).

11

Wed. 2/27 Morgan I:  Sex Linked Traits  Morgan, “Sex Limited Inheritance in Drosophila” (in Reading Packet); Ridley, “Conflict” (in “Genome”).

12

Mon. 3/4 Morgan II:  Sex Linked Traits (continued) Morgan (continued).

13

Wed. 3/6 Sturtevant I:  The Relation Between Different Genes Sturtevant, “The Linear Arrangement of Six Sex-Linked Factors in Drosophila, as Shown by Their Mode of Association” (in Reading Packet)

14

Mon. 3/11 Sturtevant II:  The Relation Between Different Genes (continued) Sturtevant (continued)

15

Wed 3/13 Lederberg I:  Natural Selection in Action:  Gene Mutations as the “Missing Link” in Darwin’s Theory of Natural Selection Lederberg and Lederberg, “Replica Planting and Indirect Selection of Bacterial Mutants” (in Reading Packet)

16

Mon. 3/25 Lederberg II:  Natural Selection in Action (continued) Lederberg and Lederberg (continued)

17

Wed. 3/27 Watson & Crick I:  The Discovery of the Double Helix Structure of the DNA Watson, “The Double Helix” (Norton).  Including the articles printed at the end of the book.

18

Mon. 4/1 Watson & Crick II:  The Discovery of the Structure of DNA (continued) Watson (continued)

19

Wed. 4/3 Review for 2nd Exam None

20

Mon. 4/8 Jacob & Monod:  The Regulation of Gene Expression Ptashne and Gilbert, “Genetic Repressors”; Jacob and Monod, “Genetic Regulatory Mechanism in the Synthesis of Proteins” (in reading packet).

21

Wed. 4/10 Kandel I:  Learning and the Single Synapse:  Learning as a Neurobiological Phenomena Kandel, “Nerve Cells and Behavior”; “Habituation and Dishabituation of the Gill-Withdrawal Reflex in Aplysia” (in reading packet).  Ridley, “Intelligence” (in “Genome”)

22

Mon. 4/15 Kandel II:  Learning and the Single Synapse (continued) Kandel, “Neuronal Correlates of Habituation and Dishabituation of the Gill-Withdrawal Reflex in Aplysia” (in reading packet).

23

Wed. 4/17 Kandel III:  Learning and the Single Synapse (continued) Kandel, “Neural Mechanisms of Habituation and Dishabituation of the Gill-Withdrawal Reflex in Aplysia”

24

Mon. 4/22 Kandel IV: Learning and the Single Synapse (continued) Kandel, “Long-Term Habituation of a Defensive Withdrawal Reflex in Aplysia” (in reading packet).

25

Wed. 4/24 Kandel V: Learning and the Single Synapse (continued) Kandel, “Long-Term Habituation of a Defensive Withdrawal Reflex in Aplysia” (in reading packet).

26

Mon. 4/29 Amsel I:  Ethical Dilemmas in Gene Therapy Amsel, “Genetic Dilemmas in Primary Care” (Video).  Ridley, “Eugenics” (in “Genome”).

27

Wed. 5/1 Amsel II:  Ethical Dilemmas in Gene Therapy (continued) Collins, “Medical and Societal Consequences of the Human Genome Project” (in reading packet).

28

Mon. 5/6 Review for Final None