Bozeman Science
Hardy-Weinberg Equation
In this video Paul Andersen explains the elements in the Hardy-Weinberg equation; including the allele frequency and phenotype frequency. He begins with a brief explanation of phenotypes and genotypes. A sample problem is worked out and...
Bozeman Science
Solving Hardy Weinberg Problems
Paul Andersen shows you how to solve simple Hardy-Weinberg problems. He starts with a brief description of a gene pool and shows you how the formula is derived. He then shows you how to solve a couple of sample problems.
TED-Ed
TED-Ed: How Mendel's pea plants helped us understand genetics - Hortensia Jimenez Diaz
Each father and mother pass down traits to their children, who inherit combinations of their dominant or recessive alleles. But how do we know so much about genetics today? Hortensia Jimenez Diaz explains how studying pea plants revealed...
SciShow
Gregor Mendel: Great Minds
Hank brings us the story of Gregor Mendel, the Austrian monk who, with the help of a garden full of pea plants, discovered the fundamental properties of inheritance and paved the way for modern genetics. He also gives us the dirt on a...
SciShow
Having Six Fingers Is a Dominant Trait
Genetics are extremely complicated—so complicated that having an extra finger or toe, for example, is exceedingly rare despite it being caused by a dominant gene.
Crash Course
Genetics - Lost and Found: Crash Course History of Science
Sometimes trail blazers of science aren't famous like Darwin or Pasteur. Sometimes they're humble Abbots, just growing peas in the back of their Abbey. This is the story of Gregor Mendel and how his work was done, lost, then found again.
Bozeman Science
Chromosomal Inheritance
In this video Paul Andersen describes genetics at the chromosomal level. He begins with a simple monohybrid cross as viewed through Mendelian genetics and then shows how genes are distributed through meiosis to possible gametes. This is...
Crash Course
Heredity: Crash Course Biology
Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.
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...
Curated Video
Why MOST Of Japan's Population Live In Just Three Cities: Tokyo, Osaka and Nagoya
Japan is a fascinating country for a lot of reasons. But chief among them is the fact that well over half the population live in just three metropolitan areas: Tokyo, Osaka and Nagoya. And for a country that is both larger in population...
Curated Video
25 Thanksgiving Signs in ASL | Sign Language for Beginners
You’re going to gobble up these 25 Thanksgiving Day Signs! Join me as I teach you and Kate these 25 holiday signs in ASL. Be sure to stick around to the end and I’ll teach you a few sentences as well in American Sign Language. Happy...
Curated Video
Dominant allele
The version of a particular gene that takes precedence over other variants, being expressed even if only one copy is present. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Mendel and Inheritance
How a 19th century Austrian monk explained the rules of genetic inheritance before anyone even knew genes existed. Biology - Cells And DNA - Learning Points. Before the discovery of genes, Austrian monk Gregor Mendel described three laws...
Curated Video
Huntington's: The Disease
Discover how Huntington's disease is passed on through a single gene. How does it progress, what are the symptoms and is there a treatment? Biology - Cells And DNA - Learning Points. Huntington's disease is a genetic disorder that is...
Curated Video
Breeding and Behaviour
A unique Siberian breeding experiment tried to rid wild foxes of their aggressive genes. Was the experiment successful? Biology - Cells And DNA - Learning Points. In 1959, Siberian scientists set up two breeding programmes using silver...
Curated Video
Inheritance: Part 2
If you inherit two copies of every gene, one from each parent, how do your cells know which version to use? Biology - Cells And DNA - Learning Points. Alleles, alternative forms of genes, can be dominant or recessive. Dominant alleles...
Wonderscape
Genetic Inheritance: Why We Are Unique
Dive into the intricate world of genetic inheritance to understand how dominant and recessive alleles shape our traits, from tongue rolling abilities to eye color. Learn why siblings can inherit different traits from the same parents and...
Curated Video
ASL Out to Eat Signs | Part 1 | Food Signs
I teach you over 70 Out to Eat or Food signs in ASL. It was too much for one video, so I made 2! This is part 1 with over half of those 70 signs. Even that was too much to teach in one run, so I split this video up into 2 sections,...
Curated Video
ASL Out to Eat Signs | Part 2 | Food Signs
It's part 2 of our Out to Eat series where I teach you over 70 food signs in American Sign Language (ASL). In this video we're covering drinks, desserts, meals and types of restaurants. To skip to a sign that you're looking for, use the...
Curated Video
Signs For Public Services | Essential Beginner ASL Signs
This is the first video in a longer series about Public Service signs. There are so many professions where workers interact with the public every single day. What do you as a hearing person serving the public do when you encounter a Deaf...
Curated Video
American Slang to American Sign Language (Slang Signs)
Learn how to sign 16 English American slang words in American Sign Language (ASL). Not only do I teach you the ASL Signs for all of these slang words, but I do my best to explain what they mean in English as well. Watch this video and...
Curated Video
ASL Signs for First Responders | Public Services Pt. 2
This video is Part 2 in our Public Services series. In this video I teach first responders, specifically Police, Fire and Paramedics, essential signs and phrases that can be used in the field of duty. These signs and phrases will help...