Be Smart
3 Incredible Examples of Evolution Hidden in Your Body
Human traits trace back to simpler species—such as chickens, for example. Using the human genomes, scientists connect these traits to their ancestral origins. A video presentation highlights the structure of human DNA and makes a...
Be Smart
Can We Get Older Without Aging?
There are reasons elderly people are more susceptible to diseases. A video lesson instructor discusses the changes cells endure over someone's lifespan and how that affects the likelihood of contracting a disease.
Howard Hughes Medical Institute
DNA Packaging
One thing that all cells have in common is the DNA in their nucleus. An animation demonstration models how six feet of DNA fits in each and every nucleus of each cell. The content includes information about the components of DNA and how...
PBS
The Two People We're All Related To
Is it possible all current lineage trace back to one male and female? Mitochondria DNA suggest just that! A lesson with this interesting perspective on genetic heredity explains how all human DNA connects to a single male and female in...
Howard Hughes Medical Institute
Genetic Engineering
No matter where you stand on the controversial topic of genetic engineering, the science that makes it possible is extraordinary. An animated video describes a process of genetic engineering involving bacteria. The quick...
Veritasium
Amazing Molecular Machines in Your Body
More than 50 billion cells in your body die every single day. While this sounds traumatic, the human body continuously produces new cells to replace them. A short video shares animations of the process of cell division or mitosis and...
Howard Hughes Medical Institute
Human Chromosomes
Learn a little about what makes humans unique. Young scholars view a video lesson as an introduction to chromosome pairs. Images show pairs of chromosomes including the XX or XY sex chromosome combinations.
Howard Hughes Medical Institute
The Y Chromosome
Forward and backward, it's all the same! Scientists recently discovered the y chromosome's palindrome nature suggests it's possible to for the y chromosome to recombine with itself! An animation resource gives viewers insight into the...
Amoeba Sisters
Alleles and Genes
How do organisms end up with such a wide variety of traits? It's in their genes! Kick off your inherited traits lesson using a brief video that covers alleles and genes. The narrator describes heterozygous and homozygous genotypes, how...
Amoeba Sisters
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Chromosomes, genes, traits ... how are they all related? A short video introduces the many factors involved in heredity. Junior geneticists explore the transfer of chromosomes from parents to offspring, the proteins created by base pair...
Amoeba Sisters
Meiosis
Why do siblings often look so different from one another? Discover the process of making gametes using a short video from a large biology playlist. The narrator explains each step while animated chromatids play out the scenario that...
PBS
How Sex Became a Thing
Birds, bees, flowers, trees ... and Funisia dorothea? Biology scholars journey back in time to discover more about the history of sexual reproduction. The video, one of many in a biology playlist, covers our earliest eukaryotic ancestor,...
Veritasium
The Sun Sneeze Gene
Do you sneeze when you go from dark to light areas? Twenty-five percent of the population does! It turns out that the characteristic is due to genetic code. Explore why this happens with a video from the Veritasium playlist that...
FuseSchool
What Are Chromosomes?
Two meters worth of DNA fits into a cell that is only two micrometers wide thanks to chromosomes. A video, part of a Fuse School Biology playlist, explains what chromosomes are and how they work. It describes where they are found and how...
FuseSchool
Genetics and Cell Division Keyword Definitions
Scholars often find new vocabulary overwhelming—help break it down for them. A helpful video addresses the vocabulary associated with genetics and cell division. It offers the definition of each and a short explanation. Cartoon graphics...
FuseSchool
Sperm and Eggs Cells
A human egg cell measures more than 30 times the size of a human sperm cell. An engaging video in the Fuse School playlist discusses the differences between sperm and egg cells. It highlights the reasons for the differences as they come...
Teacher's Pet
Genes and Chromosomes
Doctors sometimes order a karyotype, a picture of the chromosomes present in a single cell, in order to check for chromosomal abnormalities or rare diseases. The video explains the relationship among genes, chromosomes, and karyotypes....
Teacher's Pet
Cell Cycle
The video Introduce class members to the cell cycle and chromosomes with a video that explains the difference between diploid and haploid chromosomes.
SciShow
Is the Y Chromosome Disappearing?
Bye bye, Y! Is the most fundamental difference between men and women slowly going away? Science scholars discover the story behind the ever-shrinking Y chromosome in an interesting human biology video. Topics covered include...
MinuteEarth
Why Can't Mules Have Babies?
The ancient Romans use the saying "When a mule foals" as a metaphor for the impossible. Viewers learn through a video lesson the genetics behind hybrid breeding, giving more meaning to this saying. The instructor explains the...
TED-Ed
Secrets of the X Chromosome
Women just have that X factor! High schoolers watch a short video about X chromosome inactivation, which explains how identical twins can differ genetically even though their DNA sequence is the same.
SciShow
The Science of Men
What makes men so manly? Video begins with a discussion of the y-chromosome and tracks it back through history. It surprises many to learn everyone seems to have one common male ancestor. Then it discusses sexual dimorphism and the...
SciShow
Gynandromorphs: Dual-Sex Animals
Gynandromorphy is when an animal is part male and part female. Video explains the development of gynandromorphs from zygotes. It describes the various combinations of chromosomes that produce different classifications of dual-sex...
SciShow
Why Ferns Have More Chromosomes Than You
Potatoes have more chromosomes than humans. A video explores the number of chromosomes various species have and the theories of the differences. It discusses the process of how genes combine as well as the processes of making extra copies.