Bozeman Science
Genetic Recombination and Gene Mapping
In this video Paul Andersen explains how the frequency of recombination between linked genes can be used to determine the relative location of genes on a chromosome. Thomas Hunt Morgan and Alfred Strutevant used the fruit fly to develop...
Crash Course
Reproductive System, part 1 - Female Reproductive System: Crash Course A&P
Human reproduction is complicated an important, and it's going to take a four part series for us to cover it. Today, we're kicking that off with the female reproductive system, starting with how sex hormones affect oogenesis and...
Bozeman Science
Genetics Preview
Paul Andersen previews the information in the genetics unit. He defines the central dogma of biology and explains how DNA creates an RNA transcript that is used to translate proteins. He differentiates between mitosis and meiosis. He...
Bozeman Science
Linked Genes
Paul Andersen explains how linked genes behave and how linked genes were discovered. He shows how linked genes would be reflected in a dihybrid cross using a fruit fly simulator. He uses chromosome-based punnett squares to explain why...
Bozeman Science
A Beginner's Guide to Punnett Squares
Paul Andersen introduces the Punnett Square as a a powerful tool in genetic analysis. He tries to address major misconceptions that students have when use a Punnett Square. He gives a number of examples of monohybrid crosses and one...
Bozeman Science
Mitosis and Meiosis Simulation
Mr. Andersen uses chromosome beads to simulate both mitosis and meiosis. A brief discussion of gamete formation is also included.
Bozeman Science
Cell Cycle, Mitosis and Meiosis
Paul Andersen explains how the cell cycle is used to create new cells. The creation of identical diploid daughter cells, through mitosis, is described. The creation of unique haploid daughter cells, through meiosis is also described. The...
Curated Video
Meiosis
A type of cell division important to produce sex cells such as eggs and sperm. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Mitosis
The process by which cells can divide to produce two genetically identical cells. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Mutation
A change in a DNA sequence. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key curriculum...
Curated Video
Cell division
The process by which a single parent cell divides into two or more daughter cells. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Recombination
The process of moving a section of DNA from one DNA molecule to another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Reproduction and Species Continuity: Cell Division in the Fifth Phase of Meiosis
By the end of this learning object, the student will be able to: Explain the fifth phase of meiosis.
Wonderscape
Cell Division and Reproduction in Animals and Plants
Explore the processes of cell division and reproduction in animals and plants. Learn about mitosis, the process by which cells replicate and repair damaged tissue, and meiosis, the method of cell division involved in sexual reproduction....
Curated Video
GCSE Biology - Meiosis #70
Meiosis is the process of cell division that gives us gametes such as sperm and egg cells. This video covers how the process works, why gametes are so important, and explains chromosomes.
Curated Video
Meiosis
Meiosis explores cell division by explaining the process and function of meiosis.
Curated Video
Discovering Life: Design
A video entitled “Discovering Life: Design” which explores the stages of meiosis in an animal cell through the lens of a microscope.
Curated Video
Cells in Your Body
A video entitled “Cells in Your Body” which discusses the two main types of cells that make up the human body, focusing on how each type is formed.
Curated Video
Exploring Cell Division
A video entitled “Exploring Cell Division” which examines cell division, explaining the various cell types and focusing on asexual and sexual reproduction.
Visual Learning Systems
Exploring Plant Reproduction: Sexual Reproduction in Plants
This engaging series of videos uses colorful animations and on-location footage to illustrate some of the amazing ways plants reproduce. The reproduction processes in bryophytes, ferns, gymnosperms, and angiosperms are highlighted....
The Noted Anatomist
Cranial Nerves and Autonomics
This is a brief tutorial on the autonomic nerves that course to the head.
Ancient Lights Media
The Life Cycle of Fern Plants
This clip demonstrates, step by step, the process of reproduction in ferns.