Archive for January 2010


Video: Section 10.2 – Meiosis

By on January 29, 2010   /   Biology 1, Genetics, Video Lectures   /   3 Comments

Meiosis is a process that body cells undergo that results in the production of gametes (sex cells). The male gamete is the sperm and the female gamete is the egg. When a cell undergoes meiosis, the end result is 4 gametes, with half as much genetic information (haploid). In this section, I talk about Chromosomes and genes and how the process of Meiosis plays a vital role in living things. I also go through the steps of Meiosis in some detail.

At the end, I talk about mistakes that can happen in Meiosis and how this can either lead to significant problems or (in some cases) benefits, depending on the organism involved.

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Video: Mendel’s Laws of Heredity

By on January 26, 2010   /   Biology 1, Genetics, Video Lectures   /   10 Comments

Gregor Mendel is known as the Father of Modern Genetics. His work on pea plants form the basis for what we know about how traits are passed on from Parents to Offspring. In this video, I deal with his Laws of Heredity and also with some terms that are essential to our understanding of genetics. We look at the Punnett Square and how it’s useful in making predictions. Why do you look the way you look and what role do your genes place? These are some of the exciting concepts I cover in this section.

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Chapter 10 Presentation: Mendel and Meiosis

By on January 22, 2010   /   Biology 1, Powerpoint Slides   /   Leave a comment

In this presentation, I give an introduction to the wonderful field of Genetics. Of course, I start with Gregor Mendel and his contributions to what we understand about Genetics today. I spend some time dealing with his work on pea plants and talk about the laws of Heredity. The presentation continues with the process of meiosis and ends with mistakes that can happen in the process.

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The Energy Game

By on January 20, 2010   /   Biology 1, Cell Biology, Games   /   Leave a comment

Think you understand the concepts presented in Chapter 9: Energy of the cell? Prove it. However, while you are proving it, you might as well have some fun. I just made a Penalty Shootout game that tests your knowledge of ATP, Photosynthesis and Cellular Respiration in a fun and exciting way. This is the first of a series of games on different Biological topics. If you enjoy Biology and Soccer, you will LOVE this game :)

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Cellular Respiration in Yeast Lab

By on January 14, 2010   /   Biology Labs, Cell Biology   /   4 Comments

This lab explores the concepts of Cellular Respiration and Fermentation in yeast. Yeast do Alcoholic Fermentation and one of the byproducts is Carbon Dioxide. When you bake bread with yeast, Carbon dioxide is produced, which forms bubbles in the dough, causing the dough to rise. The heat kills the yeast and the bubble pockets lighten the bread.

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