Crash Course
Evolution: It's a Thing - Crash Course Biology
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.
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.
SciShow
Are You Doomed to Turn into Your Parents?
Worried about turning into your parents? Hank unpacks the connection between personality, genetics, and upbringing. Ultimately, though, you are your own person.
SciShow
The Hamster That Saved Thousands of COVID Patients
Forget lab rats — meet the Chinese or striped-back hamster, an unassuming little rodent whose role in research over the years has led to breakthroughs in genetics, pharmaceutics and more!
Be Smart
What Is Evolution, Anyway? - 12 Days of Evolution #1
Some of the biggest evolution questions finally answered.
Crash Course
Life and Longevity: Crash Course History of Science
It's time to have a look at the future of human life and how technology could possibly extend longevity. But, within that tech, are questions of ethics that are not always at the top of mind when the tech is being developed. In this...
Crash Course
Genetics and The Modern Synthesis: Crash Course History of Science
Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works? Well, in this episode of...
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.
Crash Course
Darwin and Natural Selection: Crash Course History of Science
"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection....
Bozeman Science
Chromosomal Genetics
Paul Andersen explains aspects of genetics that were not covered by Gregor Mendel. He begins with the following topics; incomplete dominance, codominance, epistasis, multiple alleles, and multiple genes. He then explains how linked genes...
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...
Bozeman Science
Blood Types
Paul Andersen explains the importance of blood types in blood transfusions. He starts with a brief discussion of blood antigens and antibodies. He describes how the ABO differs from the Rh blood type. He shows you how to solve simple...
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...
SciShow
3 Genes That Give People Superpowers
There are genetic mutations in the population today that can grant people some seemingly superhuman abilities.
Bozeman Science
Population Variation
Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in...
SciShow
How Do My Fingerprints Form?
How do fingerprints form? Even though many people think it's random, a lot of it has to do with your genes!
TED Talks
TED: The intended consequences of helping nature thrive | Ryan Phelan
From a special black-footed ferret to coral that can withstand warming waters, genetic rescue efforts that use genomics and synthetic biology are helping nature thrive. But despite the huge successes of this kind of intervention,...
Crash Course
Heredity: Crash Course Biology
Hank and his brother John discuss heredity via the gross example of relative ear wax moistness.
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...
TED Talks
TED: The ethical dilemma of designer babies | Paul Knoepfler
Creating genetically modified people is no longer a science fiction fantasy; it's a likely future scenario. Biologist Paul Knoepfler estimates that within fifteen years, scientists could use the gene editing technology CRISPR to make...
TED-Ed
TED-Ed: What is bipolar disorder? - Helen M. Farrell
The word bipolar means 'two extremes.' For the many millions experiencing bipolar disorder around the world, life is split between two different realities: elation and depression. So what causes this disorder? And can it be treated?...
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...
TED-Ed
TED-Ed: You could have a secret twin (but not the way you think) | Kayla Mandel Sheets
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...
Crash Course
Natural Selection - Crash Course Biology
Hank guides us through the process of natural selection, the key mechanism of evolution.