Discover what happens when random events meet allele frequencies: genetic drift! This Amoeba Sisters video also discusses the bottleneck and founder effect as well as contrasts genetic drift with natural selection. Table of Contents:...

When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells.

In this episode of Crash Course Biology, we’ll learn about the ways population genetics reveals how groups of living things evolve—by comparing genetic similarities and differences. We’ll discover the most genetically diverse species of...

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...

Paul Andersen describes mechanisms that increase the genetic variation within a population. He begins by discussing how horizontal transfer can move genetic material between bacteria. Transformation, transduction, and conjugation in...

Paul Andersen describes genetic drift as a mechanism for evolutionary change. A population genetics simulator is used to show the importance of large population size in neutralizing random change. The near extinction of the northern...

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...

Paul Andersen explains important concepts that can not be explained by simple Mendelian genetics. He begins with a discussion of polygenic inheritance and uses a simulation on height to show how a bell shape curve of phenotypes is...

Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation.

Scientists have discovered a group of three closely related flowers that seem to break the laws of genetics. These mountain beardtongues are pollinated by either bees or butterflies, but not both, and that's the key to an incredibly...

Ninety-six percent of genome studies are based on people of european descent. The rest of the world is virtually unrepresented -- and this is dangerous, says geneticist and TED Fellow Keolu Fox, because we react to drugs differently...

Join us as we dive into the fascinating world of genetics, guided by the Father of Genetics himself, Gregor Mendel. We'll explore the laws of heredity Mendel formulated from his groundbreaking experiments with pea plants and learn how...

This girl has six fingers on her left hand. She has a condition called polydactyly, which causes extra fingers or toes. Her father and grandmother as well as some of her cousins also have the condition. This should give you a clue about...

This video is a lesson on genetics, specifically focusing on the inheritance of traits from parents to offspring. The teacher explains the concept of genetics and introduces Gregor Mendel, the father of genetics. The video also discusses...

In this live-action program viewers will learn that a monogenic disorder is a genetic disease caused by small-scale genetic differences that cause the malfunction of a single gene and that many diseases result from such genetic...

The 13 colonies were all part of the British Empire, but they had many differences, from colonists' views on religious freedom to how they educated their children.

👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...

In this video, we will examine the listener that we will work with, which calls a function that will execute a task every time there is a change in the input, an anonymous function, or create a function based on our requirement.

Howcast - Learn how to animate found objects from Joe Vena of the Children's Museum of the Arts in this stop motion tutorial from Howcast.

Study after study affirms that doctors treat their patients differently, depending on the patient's race. Minority patients get different diagnoses, different treatments, and are often subject to being stereotyped by their physicians.

The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will introduce the concept of validity and examine the importance...

Pupil outcome: I can explain the story that the poem tells, as well as how the poem is used as a metaphor. Key learning points: - Seamus Heaney's 'Death of a Naturalist' tells the story of a young child who frequents a flax-dam to...

In this detailed video, we'll walk you through dihybrid crosses, Punnett squares, and the often-discussed 9:3:3:1 ratio. Get ready to dive deep into the world of genetics! This step-by-step guide to dihybrid crosses using...

Genetic Modification allows scientists to manipulate the genetic information of cells, even swapping characteristics between different species. But it is a process which has caused a lot of controversy. Biology - Cells And DNA - Learning...