Category Archives: Class News

Human Genetics

Posted on April 18, 2012 by Mr. Saleh

Students will elaborate upon human genetics in terms of analyzing a pedigree, distinguishing between a sex-influenced trait and a sex-linked trait. Furthermore, students will be able to differentiate between traits that are caused by a multiple allele as compared to … Continue reading →

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Human Genetics

Posted on April 17, 2012 by Mr. Saleh

Students will review the behavior of chromosomes and their effects upon offspring and elaborated upon human genetics in terms of their abilities to explain a pedigree and patterns of inheritance. They will also elaborate upon polygenic and complex characters as … Continue reading →

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Inheritance Patterns & Human Genetics

Posted on April 5, 2012 by Mr. Saleh

Students will distinguish between sex chromosomes and autosomes, the role of chromosomes in sex determination, how an X- or Y- linked gene influences the characteristics of inheritance, the result of crossing-over based upon the genes that are in linkage groups, … Continue reading →

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Project: DNA Presentation!

Posted on March 31, 2012 by Mr. Saleh

On Monday, each student will have an opportunity to present his/her DNA molecule to the class. Each student will explain the DNA structure AS WELL AS  its replication process. Each student was given a rubric outline for the evaluation process.

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Review Sec. 10.1, 10.2, & 10.3

Posted on March 28, 2012 by Mr. Saleh

Due to the students’ on-going struggle with mathematical relationships, they will review and reinforce measuring matter, and mass-mole conversions in elements and compounds by practicing on the following problems on pages 358-360: 91a, 92b, 93a, 108c, 109c, 138a, & 138b.

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Percent Composition & Empirical Formula

Posted on March 22, 2012 by Mr. Saleh

Students will learn and reinforce the process of figuring out how to determine the empirical formula that is based upon the percent composition of the chemicals in a compound. Note that the percent composition is basically a prior knowledge since … Continue reading →

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Mole-Mass Conversions Retake!

Posted on March 21, 2012 by Mr. Saleh

Since several students in the 2nd and 3rd hours performed poorly on the test for mole-mass conversion, these two classes will be given an opportunity for a retake. Those individuals who performed very well or above average will have the choice … Continue reading →

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DNA Structure

Posted on March 20, 2012 by Mr. Saleh

We will discuss the structure and the importance of the DNA molecule as it was put forth Watson and Crick who based their work upon the X-ray diffraction’s of Rosalind Franklin, who was able to recognize that the DNA molecule … Continue reading →

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Reinforcement: Discovery of DNA

Posted on March 19, 2012 by Mr. Saleh

Students will reinforce the discovery of the DNA by elaborating further upon the works of Griffith, Avery, & Hershey-Chase.

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Discovery of DNA

Posted on March 16, 2012 by Mr. Saleh

Students are to make a 3-column T-Chart that is based upon the scientific work that was put forth by Frederick Griffith, Oswald Avery & colleagues, and Martha Chase & Alfred Hershey. In the first column, the students will state the … Continue reading →

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