Mysterious DNA-"A historical perspective"

March 19-20, 2012

Academic Goal: Historical Examination of DNA Function & Structure.

Biologists in the 1940's were skeptical about DNA's involvement as genetic material based on the simplicity of its chemistry. Composed of only four types of nucleotides (Adenosine, Guanine, Cytosine and Thymine) that are linked covalently into a polynucleotide chain (a DNA strand) with a sugar-phosphate backbone from which the bases (A,C,G and T) extend. Years of research, from a variety of scientists contributed to our current understanding about the "Thread of life."

Daily Syllabus:
BELL QUIZ/Benchmark Exam (these will not be posted, if you miss class you will have to make them up in the library during lunch hour, or after school until 3:30.

Biology Inquiries: The Chargaff's DNA Data
Historical examination of how Chargaff contributed to DNA structure and the process of discovery that contributed to the double-helix model. Complete graph and questions with your 'research team.'

Create Flow-Chart on History of DNA:

Multimedia: VCU Secrets of the Sequence: Watch this video on the most pivotal moment in 21st Science: The Structure of DNA: Watson & Crick (Rosalind Franklin)

Learning goal 3

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Extraction of DNA

March 5-7, 2012

Have Your DNA and Eat It Too

March 3-4, 2012

Academic Goal: Describe the main components of a DNA, and learn the rules for base-pairing.

The elegant and simple DNA molecule provides the instructional blue-print for the building and operating of all life. Students will learn how DNA is composed of letters (called nucleotides), that form string of 'sentences' that are further divided into segments called 'genes.' Each gene codes for proteins, which carry out specific functions in the cell. Students will construct a DNA molecule with a partner.

Activity Outline:
Bell Quiz
What is DNA?
Interconnections between mitosis, meiosis and DNA?
DNA Model: "Have Your DNA and Eat it TOO!"

BELL QUIZ

1. 1Mendel discovered that the law of ____________ and illustrated how members of each gene pair (________) separate during gamete formation. Gamete formation is the product of __________.

2. I2.Describe how the law of independent assortment works by listing the four alleles that are produced when a pea-plant with the genotype RrYy produces gametes.

Have Your DNA and Eat It Too

Patterns of Inheritance and Punnett

March 1-2. 2012

Academic Goal: Investigate the Patterns of Inheritance, Complex Inheritance and Human Heredity.


http://www.biologyjunction.com/images/snapdragon.gif

Learning goal 2

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Homework Due Monday/Tuesday March 5-6, 2012:

(1) Predicting the Outcome of Genetic Crosses
(2) 10.3 Gene Linkage and Polypoidy Reading Guide
(3) REMEMBER: Level III presentations are Thursday and Friday, March 8-9, 2012 Choose from the following: Cartoon, Short-Story, Poem, 3-D Model, Children's Book, Board Game.

Genetic crosses key

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